9 VACUUM BRAZING AND ANNEALING FURNACES FOR LABORATORY EXPERIMENTS; DEVICES FOR CONTROLLING ELECTRONIC CURRENTS, NAMELY, REACTIVE, RESISTIVE OR MIXED TYPE FAULT CURRENT LIMITORS; NORMAL AND SUPERCONDUCTING PARTICLE ACCELERATORS, PULSED AND CONTINUOUS CAVITIES, COUPLERS WINDOWS AND SOURCES FOR PARTICLE ACCELERATORS, CIRCULAR AND LINEAR PARTICLE ACCELERATORS; SUPERCONDUCTING DIPOLE, QUADRUPOLE AND HEXAPOLE MAGNETS FOR PARTICLE ACCELERATORS, FOCUSING MAGNETS, BATH-COOLED MAGNETS, GYROTRON MAGNETS, SPECTROMETER MAGNETS, MAGNETS WITH INTEGRATED CRYO-COOLERS, ACCELERATOR MAGNETS, DETECTOR MAGNETS, SOLENOID MAGNETS, CRYOGEN-FREE MAGNETS, BEAM LINE MAGNETS, NORMAL CONDUCTING AND SUPERCONDUCTING MAGNETS FOR CRYSTAL GROWTH AND MAGNETIC SEPARATION, SUPERCONDUCTING MAGNETS COMPOSED FOR MULTIPOLES AND SOLENOIDS FOR ENERGY STORAGE, ELECTRONIC PARTICLE DETECTORS, SUPERCONDUCTING HEXAPOLE MAGNETS, CRYOSYSTEMS CONSISTING OF CRYOSTATS, WIGGLERS, UNDULATOR MAGNETS, ELECTRON RADAR GUNS, ELECTRONIC RADIO-FREQUENCY COUPLERS FOR RADIO-FREQUENCY WINDOWS FOR ENERGIZING PARTICLE ACCELERATORS, ELEMENTARY ELECTRONIC PARTICLE DETECTORS, COIL SYSTEMS FOR PARTICLE DETECTORS, CONSISTING PRIMARILY OF MAGNETS, OPTICAL FILTERS, ELECTRONIC BEAM PROFILE MONITORS, ELECTRONIC BEAM STOPS FOR STOPPING ACCELERATED PARTICLES; ALL-METAL AND ELASTOMER SEALED AUTOMATIC VALVES, HE-LEAK DETECTORS FOR DETECTING POSSIBLE LEAKS IN VACCUUM VESSELS; TEST CHAMBERS FOR LABORATORY USE, NAMELY, VACUUM DUCTS FOR PROTON/ION SYNCHROTRON, ULTRA HIGH VACUUM DIPOLE AND QUADRUPOLE CHAMBERS, CERAMIC CHAMBERS FOR KICKERS, PLASMA PROCESS CHAMBERS, VACUUM CHAMBERS, ULTRA HIGH VACUUM MONOCHROMATOR CHAMBER, ULTRA HIGH VACUUM PHOTON ABSORBER CHAMBER, COLLIMATOR BELLOW FLAT ABSORBER CHAMBERS, ULTRA HIGH VACUUM PHOTO BELLOW FLAT ABSORBER CHAMBERS, AND CROTCH CHAMBERS, PARTICLE AND OPTICAL/X-RAY BEAMLINES WITH EXPERIMENTAL STATIONS, CRYOSTATS, NAMELY CRYOGENIC HOUSING