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Tape drive tester
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|
CA956029A
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Magnetic tape cartridge changer
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CA949194A
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Magnetic tape playing and changing apparatus
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|
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Digital pulse generator with automatic duty cycle control
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Continuous loop magnetic tape cartridge
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CA933651A
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Magnetic tape playing and changing apparatus
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GB1310602A
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Rotary magazine for carrying a plurality of tape cartridges
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Tape drive actuating mechanism for tape handling machines
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Compressional wave signaling apparatus
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Mode of signal responsive hearing aid apparatus
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Tape cartridge
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Push button switch having indicator means
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|
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Alternate action switch having alternating latching means
|
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Self-supporting operator's headset
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Self-checking binaural audiometric apparatus and hearing aid simulator
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Transducer mounting
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|
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Conductor bend relief
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Hearing aid
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Electro-acoustic transducer
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Semi-conductor hearing aid amplifier
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