GB2046456A
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Acoustically operated remote control device for cameras
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US4129889A
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Magnetic recording/reproducing apparatus using cassette
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GB1546440A
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Electric meters
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GB1546439A
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Electric meters
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GB1547379A
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Mode changeover apparatus for magnetic recorder/player
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GB1534307A
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Drive mechanism for magnetic recording/reproducing apparatus
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US3827082A
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Record track indicator apparatus for a multitrack tape player
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US3742320A
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Tape fast feed control apparatus for endless magnetic tape cartridge player
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US3726529A
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Magnetic tape cartridge removing apparatus
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US3752484A
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Magnetic tape cartridge play control means
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US3730533A
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Magnetic tape cartridge removing apparatus
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US3730534A
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Endless magnetic tape cartridge removing apparatus
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