SCIENTIFIC, ELECTRICAL, PHOTOGRAPHIC, OPTICAL, WEIGHING, MEASURING, CHECKING, DIAGNOSTIC AND TESTING APPARATUS AND INSTRUMENTS, NAMELY TEST EQUIPMENT, INSTRUMENTS AND APPARATUS IN THE NATURE OF DISCRETE TEST SETS AND SELF-CONTAINED TEST UNITS FOR TESTING PERSONNEL HELMETS, MASKS, EARPHONES, HEADSETS, GOGGLES, FLASHBLINDNESS SHIELDS, SEALS, ANTI-G GARMENTS, CHEMICAL DEFENSE EQUIPMENT, OXYGEN CONNECTIONS AND COMMUNICATIONS SYSTEMS, TEST EQUIPMENT, INSTRUMENTS AND APPARATUS IN THE NATURE OF DISCRETE TEST SETS AND SELF-CONTAINED TEST UNITS FOR TROUBLESHOOTING PERSONNEL HELMETS, MASKS, EARPHONES, HEADSETS, GOGGLES, FLASHBLINDNESS SHIELDS, SEALS, ANTI-G GARMENTS, CHEMICAL DEFENSE EQUIPMENT, OXYGEN CONNECTIONS AND COMMUNICATIONS SYSTEMS, TEST EQUIPMENT, INSTRUMENTS AND APPARATUS IN THE NATURE OF DISCRETE TEST SETS AND SELF-CONTAINED TEST UNITS FOR DIAGNOSING PERSONNEL HELMETS, MASKS, EARPHONES, HEADSETS, GOGGLES, FLASHBLINDNESS CHEMICAL DEFENSE EQUIPMENT, OXYGEN CONNECTIONS AND COMMUNICATIONS SYSTEMS, AND TEST EQUIPMENT, INSTRUMENTS AND APPARATUS IN THE NATURE OF DISCRETE TEST SETS AND SELF-CONTAINED TEST UNITS FOR DETERMINING RELIABILITY OF PERSONNEL HELMETS, MASKS, EARPHONES, HEADSETS, GOGGLES, FLASHBLINDNESS SHIELDS, ANTI-G GARMENTS, SEALS, CHEMICAL DEFENSE EQUIPMENT, OXYGEN CONNECTIONS AND COMMUNICATIONS SYSTEMS; AND SCIENTIFIC, ELECTRICAL, PHOTOGRAPHIC, OPTICAL, WEIGHING, MEASURING, CHECKING, DIAGNOSTIC AND TESTING APPARATUS AND INSTRUMENTS, NAMELY TEST EQUIPMENT, INSTRUMENTS AND APPARATUS IN THE NATURE OF DISCRETE TEST SETS AND SELF-CONTAINED TEST UNITS FOR TESTING PERSONNEL HELMETS, MASKS, EARPHONES, HEADSETS, GOGGLES, FLASHBLINDNESS SHIELDS, SEALS, ANTI-G GARMENTS, CHEMICAL DEFENSE EQUIPMENT, OXYGEN CONNECTIONS AND COMMUNICATIONS SYSTEMS, TEST EQUIPMENT, INSTRUMENTS AND APPARATUS IN THE NATURE OF DISCRETE TEST SETS AND SELF-CONTAINED TEST UNITS FOR TROUBLESHOOTING PERSONNEL HELMETS, MASKS,EARPHONES, HEADSETS, GOGGLES, FLASHBLINDNESS SHIELDS, SEALS, ANTI-G GARMENTS, CHEMICAL DEFENSE EQUIPMENT, OXYGEN CONNECTIONS AND COMMUNICATIONS SYSTEMS, TEST EQUIPMENT, INSTRUMENTS AND APPARATUS IN THE NATURE OF DISCRETE TEST SETS AND SELF-CONTAINED TEST UNITS FOR DIAGNOSING PERSONNEL HELMETS, MASKS, EARPHONES, HEADSETS, GOGGLES, FLASHBLINDNESS SHIELDS, SEALS, ANTI-G GARMENTS, CHEMICAL DEFENSE EQUIPMENT, OXYGEN CONNECTIONS AND COMMUNICATIONS SYSTEMS, TEST EQUIPMENT, SHIELDS, SEALS, ANTI-G GARMENTS, CHEMICAL DEFENSE EQUIPMENT, OXYGEN CONNECTIONS AND COMMUNICATIONS SYSTEMS, TEST EQUIPMENT, INSTRUMENTS AND APPARATUS IN THE NATURE OF DISCRETE TEST SETS AND SELF-CONTAINED TEST UNITS FOR VERIFYING PERFORMANCE OF PERSONNEL HELMETS, MASKS, EARPHONES, HEADSETS, GOGGLES, FLASHBLINDNESS SHIELDS, SEALS, ANTI-G GARMENTS, INSTRUMENTS AND APPARATUS FOR VERIFYING PERFORMANCE OF PERSONNEL HELMETS, MASKS, EARPHONES, HEADSETS, GOGGLES, FLASHBLINDNESS SHIELDS, SEALS, ANTI-G GARMENTS, CHEMICAL DEFENSE EQUIPMENT, OXYGEN CONNECTIONS AND COMMUNICATIONS SYSTEMS, AND TEST EQUIPMENT, INSTRUMENTS AND APPARATUS FOR DETERMINING RELIABILITY OF PERSONNEL HELMETS, MASKS, EARPHONES, HEADSETS, GOGGLES, FLASHBLINDNESS SHIELDS, ANTI-G GARMENTS, SEALS, CHEMICAL DEFENSE EQUIPMENT, OXYGEN CONNECTIONS AND COMMUNICATIONS SYSTEMS IN THE FIELD OF CHEMICALLY CONTAMINATED ENVIRONMENTS
Electrical and Scientific Apparatus