9 Instruments to condition aerosols, namely, measuring, mixing, foil circuits for heating, and filtering instruments for aerosols and catalysts; instrumentation to condition aerosols, namely, measuring, mixing, foil circuits for heating, and filtering instrumentation for aerosols and catalysts; devices and apparatus to condition aerosols, namely measuring, mixing, foil circuits for heating, and filtering devices for aerosols and catalysts; instruments to thermally treat aerosols, namely, heat generators for aerosols; instrumentation to thermally treat aerosols, namely, heat generators for aerosols; devices and apparatus to thermally treat aerosols, namely, heat generators for aerosols; instruments to filter aerosols, namely, laboratory, industrial and automotive filters; instrumentation to filter aerosols, namely, laboratory, industrial and automotive filters; laboratory, industrial and automotive filters, namely, devices and apparatus to filter aerosols; laboratory, industrial and automotive filters, namely, instruments to filter and/or separate gases, semivolatiles and solids; laboratory, industrial and automotive filters, namely, instrumentation to filter and/or separate gases, semivolatiles and solids; laboratory, industrial and automotive filters, namely, devices and apparatus to filter and/or separate gases, semivolatiles and solids; reaction systems for catalyst research that use catalytic material or monoliths coated with precious metals to condition aerosols and change their properties, namely, industrial, laboratory and automotive catalysts; reaction systems for catalyst research that uses catalytic material or monoliths coated with precious metals to condition aerosols and change their properties, namely, industrial, laboratory and automotive catalysts; reaction systems for catalyst research that use catalytic material or monoliths coated with precious metals to condition aerosols and change their properties, namely, industrial, laboratory and automotive catalysts; industrial, laboratory and automotive filters, namely, instruments to remove solid particulate matter from aerosols and preserve only the gases and semivolatile components; industrial, laboratory and automotive filters, namely, instrumentation to remove solid particulate matter from aerosols and preserve only the gases and semivolatile components; industrial, laboratory and automotive filters, namely, devices and apparatus to remove solid particulate matter from aerosols and preserve only the gases and semivolatile components; industrial, laboratory and automotive filters, namely, instruments to remove semivolatile components from aerosols and preserve solid matter; industrial, laboratory and automotive filters, namely, instrumentation to remove semivolatile components from aerosols and preserve solid matter; industrial, laboratory and automotive filters, namely, devices and apparatus to remove semivolatile components from aerosols and preserve solid matter; industrial, laboratory and automotive filters, namely, instruments to remove volatile particles from aerosols; industrial, laboratory and automotive filters, namely, instrumentation to remove volatile particles from aerosols; industrial, laboratory and automotive filters, namely, devices and apparatus to remove volatile particles from aerosols; electric heaters for laboratory and industrial scientific use, namely, instruments to cause evaporation of aerosols; electric heaters for laboratory and industrial scientific use, namely, instrumentation to cause evaporation of aerosols; electric heaters for laboratory and industrial scientific use, namely, devices and apparatus to cause evaporation of aerosols; instruments used to dilute aerosols, namely, aerosol diluters for decreasing the particle concentration in aerosols, in the field of laboratory, industrial and automotive aerosol treatment ; instrumentation used to dilute aerosols, namely, aerosol diluters for decreasing the particle concentration in aerosols, in the field of laboratory, industrial and automotive aerosol treatment; devices and apparatus used to dilute aerosols, namely, aerosol diluters for decreasing the particle concentration in aerosols, in the field of laboratory, industrial and automotive gas and aerosol treatment; instruments to generate aerosols or particles or organic material or semivolatile material, namely, aerosol generators, organic material generators and semivolatille material generators; instrumentation to generate aerosols or particles or organic material or semivolatile material, namely, aerosol generators, organic material generators and semivolatille material generators; devices and apparatus to generate aerosols or particles or organic material or semivolatile material, namely, aerosol generators, organic material generators and semivolatille material generators; instruments for engine exhaust aftertreatment, namely, engine exhaust test instruments; instrumentation for engine exhaust aftertreatment, namely, engine exhaust test instruments; devices and apparatus for engine exhaust aftertreatment, namely, engine exhaust test instruments; instruments for dilution, namely, diluters for decreasing the particle concentration in gas and aerosols, in the field of laboratory, industrial and automotive gas and aerosol treatment; instrumentation for dilution, namely, diluters for decreasing the particle concentration in gas and aerosols, in the field of laboratory, industrial and automotive gas and aerosol treatment; devices and apparatus for dilution, namely, diluters for decreasing the particle concentration in gas and aerosols, in the field of laboratory, industrial and automotive gas and aerosol treatment; instruments for diluting gases, namely, gas diluters for decreasing the gas concentration, in the field of laboratory, industrial and automotive gas treatment; instrumentation for diluting gases, namely, gas diluters for decreasing the gas concentration, in the field of laboratory, industrial and automotive gas treatment; devices and apparatus for diluting gases, namely, gas diluters for decreasing the gas concentration, in the field of laboratory, industrial and automotive gas treatment; instruments for diluting aerosols, namely, aerosol diluters for decreasing the particle concentration in aerosols, in the field of laboratory, industrial and automotive aerosol treatment; instrumentation for diluting aerosols, namely, aerosol diluters for decreasing the particle concentration in aerosols, in the field of laboratory, industrial and automotive aerosol treatment; devices and apparatus for diluting aerosols, namely, aerosol diluters for decreasing the particle concentration in aerosols, in the field of laboratory, industrial and automotive aerosol treatment; instruments for diluting fluids, namely, fluid diluters for decreasing the concentration in fluids, in the field of laboratory, industrial and automotive fluid treatment; instrumentation for diluting fluids, namely, fluid diluters for decreasing the concentration in fluids, in the field of laboratory, industrial and automotive fluid treatment; devices and apparatus for diluting fluids, namely, fluid diluters for decreasing the concentration in fluids, in the field of laboratory, industrial and automotive fluid treatment; controlling and treatment instruments, devices and apparatus in the field of gases and aerosols, namely, diluters, heat generators, valves, catalysts, filters, gas and aerosol measuring instruments and temperature measuring instruments; systems for directing and mixing gases comprised of valves, pipes, ventilators, filters and gas mixers; systems for directing and mixing aerosols comprised of valves, pipes, ventilators, filters and aerosol mixers; treatment installations for gases and aerosols, namely, diluters, filters, heat generators and gas and aerosol mixers; all aforementioned goods being scientific or laboratory equipment or measuring and controlling equipment for scientific or laboratory use; instruments to test, calibrate and validate aerosol instrumentation being measuring devices for measuring a particle concentration in aerosols; instrumentation to test, calibrate and validate aerosol instrumentation being measuring devices for measuring a particle concentration in aerosols; devices and apparatus to test, calibrate and validate aerosol instrumentation being measuring devices for measuring a particle concentration in aerosols; instruments to determine secondary organic aerosols, namely, measuring devices for measuring a particle concentration in aerosols; instrumentation to determine secondary organic aerosols, namely, measuring devices for measuring a particle concentration in aerosols; devices and apparatus to determine secondary organic aerosols, namely, measuring devices for measuring a particle concentration in aerosols; aerosol instrumentation to measure the constituents of aerosols based on size, mass, material and chemical properties; laboratory, industrial and automotive photochemical reactors; air quality sensors; sensor networks for ambient air monitoring, measuring, detecting; monitoring instruments, devices and apparatus in the field of gases and aerosols, namely, gas and aerosol detectors for detecting the presence of gas and aerosols; instruments to detect aerosols, namely, aerosol detectors for detecting the presence of aerosols; instrumentation to detect aerosols, namely, aerosol detectors for detecting the presence of aerosols; devices and apparatus to detect aerosols, namely, aerosol detectors for detecting the presence of aerosols; aerosol detectors, namely, aerosol detectors for detecting the presence of aerosols; instruments for analysing aerosols; instrumentation for analysing aerosols; devices and apparatus for analysing aerosols; particle detectors, namely, detectors for measuring a particle concentration in gases and aerosols; particle analysers being gas and aerosol analyzer; combustion gas detectors for detecting the presence of gas; air analysis apparatus; gas testing instruments, measuring apparatus, measuring instruments, flow monitoring apparatus, other than for medical purposes; material testing instruments and machines, namely, gas and aerosol testing instruments, exhaust test instruments, and apparatus for testing gas, liquids and solids; testing apparatus not for medical purposes, namely, gas and aerosol testing instruments, exhaust test instruments, and apparatus for testing gas, liquids and solids; measuring, counting, alignment and calibrating instruments, namely, gas and aerosol sensors, flow sensors, thermometers and calibrators for laboratory, industrial and automotive testing instruments ; laboratory, industrial and automotive chemical reactors; all the foregoing for scientific or laboratory use