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Equipment for use with magnetic tape records
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Magnetic recording
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Equipment for use with magnetic tape records
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Magnetic recording and reproducing circuits
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Magnetic recording machine
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Magnetic recording and reproducing circuits
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Magnetic recording system
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Tape runout control for magnetic recorders
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Driving and scanning mechanism for magnetic tape handling equipment
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Equipment for use with magnetic tape records
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Magnetic head assembly
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Control mechanism for equipment for handling elongated records
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Drive control mechanism for magnetic recording apparatus
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Reversible drive control for tape record feeding mechanisms
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Equipment for use with elongated magnetic records
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Drive and control mechanism for magnetic recording equipment
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Improvements in or relating to method, apparatus and equipment for magnetically recording intelligence
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Device utilizing erase head impedance to vary amplifier gain
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Oscillator-amplifier circuits for magnetic recording and reproducing systems
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