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HIGH VACUUM EQUIPMENT-NAMELY, SEALING FLANGES, JACKETS, FITTINGS, FEEDTHROUGHS, PORTS, METALLIC HOSES; COMBINATIONS OF THE ABOVE; AND PARTS AND ACCESSORIES THEREFOR

HIGH VACUUM EQUIPMENT-NAMELY, IONIZATION GAUGES AND POWER SUPPLIES THEREFOR, COATING APPARATUSES, PUMPS, VALVES, TRAPS, MANIPULATORS, THERMOCOUPLE GAUGES AND CONTROLS, AND BAKEOUT HEATERS; COMBINATIONS OF THE ABOVE; AND PARTS AND ACCESSORIES THEREFOR