7 [ Machine tools and mechanical apparatus for the generation of compressed air, vacuum, pressure and air flow, namely, compressed air pumps, vacuum pumps, coupling valves, hoses and filters; compressors for machines, namely, reciprocating compressors and screw compressors; power-operated blowers for the compression, exhaustion and transport of gases; blowing machines, namely, power-operated blowers, centrifugal blowers, electric blowers for motors and engines, rotary blowers and axial flow blowers; air suction machines; vacuum pumps being machines; machine parts of air compressors, vacuum pumps, and the aforesaid blowers, namely, central screw compressor blocks and central reciprocating compressors; compressed air machines; pneumatic transporters; compressed air machines; compressed air machine motors; compressed air pumps; compressed air vessels being parts of machines; pressure tanks being parts of machines; pumps being parts of machines, motors or engines; turbines, other than for land vehicles; machine tools for the compression, exhaustion and transport of gases; pneumatic tools, namely, pneumatic hammers, pneumatic chisels, pneumatic drills; filters for compressed air machines, motors or engines; air filters for motors and compressor machines; catalytic converters for the adsorption of hydrocarbon vapors; activated carbon absorbers for air compressors and general industrial use, and catalytic converters being parts of machines; activated carbon filters for use in compressed air systems, being parts of machines; high pressure filters being parts of machines; condensate separators being parts of machines; automatic vacuum cleaners; cooling devices, namely, cooling radiators; cooling radiators for motors, compressor machines or blowers; air condensers; condenser installations, namely, air condensers and air-cooled condensers; de-aerators being parts of machines; oil separators and de-oilers for separating oil from air being parts of machines; fittings for compressors and machines, namely, drain taps, valves, shock absorbing anti-vibration mountings, hydraulic and pneumatic controls, mechanical hydraulic and pneumatic controls being parts of machines, pumps, and electric motors; taps being parts of machines or motors; mechanical seals being parts of machines; compressed air main charging systems comprised of control devices for the regulation of compressed air, being parts of machines; compressed air reservoirs being parts of machines; regulators being parts of machines; speed governors for machines and motors; pressure regulators being parts of machines; valves and pressure valves being parts of machines; pressure reduction valves being parts of machines; pneumatic controls for machines and motors; motors, other than motors for land vehicles; electric motors, other than for land vehicles; generators of electricity; machine housings, namely, housings for compressed air machines, vacuum pump machines, air suction machines, gas compressors and blowing machines for the compression, exhaustion and transport of gases; mounts for machines, namely, leveling mounts; stands for machines; tables for machines, namely, tables specially adapted to hold powered machinery; couplings and driving belts for machines, other than for land vehicles; gear boxes, other than for land vehicles; ball-bearings for use in compressed air machines; shaft couplings as parts of machines; cranks being parts of machines; crank shafts for the compression, exhaustion and transport of gases; machine wheels; axles for machines; pump diaphragms; air compressors, namely, superchargers for compressed air machines; turbo compressors for machines; fans for motors; anti-pollution devices for motors and compressors being parts of machines and motors; heat exchangers being parts of machines; parts of compressed air machines, namely, hoses, pipes and coupling valves; machine parts for compressors, namely, safety valves and regulating valves; machine parts for compressors and motors consisting of compressed air reservoirs ]