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US3889294A
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Means for recording multi-bit character data
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US3612377A
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Tape braking apparatus
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US3643849A
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Tape guide
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US3257057A
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Magnetic tape guide mechanism
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US3251235A
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Belt bias compensator for magnetic tape drive
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US3257056A
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Pressure adjustment mechanism for magnetic tape capstan
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US3315103A
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Digital torque motor
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US3248961A
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Belt shifter for multiple speed drive
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US3260966A
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Bias controlled amplitude modulator
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US3206090A
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Capstan control apparatus
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US3236468A
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Tape cartridge
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US3180346A
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Fluid flow control stage
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US3222570A
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Starter for multiple electrode lamps
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US3214646A
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Torque motor
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US3181014A
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Variable electronic timer apparatus
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US3179949A
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Oscillograph utilizing belt coated with fluorescent substance
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US3154729A
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Proportional solenoid
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US3189239A
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Digital tape transport
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US3077293A
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Pressure roller assembly for recording media
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US3005380A
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Structure for recording time values
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