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DETECTION AND POWER MEASURING INSTRUMENTS FOR MICROWAVE ELECTROMAGNETIC WAVE ENERGY-NAMELY, CRYSTAL MOUNTS, BOLOMETERS AND BOLOMETER MOUNTS, WATER LOAD CALORIMETERS, WATER LOAD CALIBRATORS, HIGH POWER WATER LOADS, HARMONIC GENERATORS, HARMONIC GENERATORS AND MIXERS, MICROWAVE REFRACTORS, AND TEST BENCHES; FREQUENCY MEASUREMENT INSTRUMENTS-NAMELY, FREQUENCY METERS AND FILTER CAVITIES; FIXED, VARIABLE AND CALIBRATED ATTENUATORS; TERMINATIONS; AMPLIFIERS; DUMMY LOADS; TUNERS; STANDING WAVE DETECTORS; ADJUSTABLE AND PRECISION ADJUSTABLE WAVEGUIDE SHORTS; ECHO BOXES; AND RELATED PARTS, COMPONENTS AND ACCESSORIES
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ELECTRICAL TUBES-NAMELY, MAGNETRONS, TRAVELING WAVE TUBES AND BACKWARD WAVE OSCILLATORS; SEMICONDUCTOR DEVICES; WAVEGUIDE AND TRANSMISSION LINE COMPONENTS-NAMELY, MICROWAVE PRESSURE WINDOWS, TRANSITIONS BETWEEN WAVEGUIDE AND WAVEGUIDE, BETWEEN WAVEGUIDE AND COAXIAL LINE, AND BETWEEN COAXIAL LINE AND STRIP-TRANSMISSION LINE, ROTARY AND MOTIONAL JOINTS IN WAVEGUIDE, HYBRID JUNCTION IN TRANSMISSION LINES; ANTENNA COMPONENTS; MICROWAVE FERRITE DEVICES-NAMELY, CIRCULATORS, ISOLATORS, FILTERS AND PHASE SHIFTERS; MICROWAVE DUPLEXERS AND DIPLEXERS; SWITCHES; POWER DIVIDERS; MICROWAVE SOLID STATE TRANSMITTERS AND RECEIVERS; SOLID STATE POWER SUPPLIES; OSCILLATORS; MULTIPLEXERS; FREQUENCY MULTIPLIERS; MODULATORS AND MIXERS; AND LIMITERS