Punched tape for computing technique, data transmitting equipment and teletypes. Shape, dimensions and position of holes
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Reproducing devices of mechanical sound recording. General specifications
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Hubs for magnetic tape with a nominal width of 6,25 mm. Specifications
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Reels for magnetic tape with a nominal width of 6,30 mm. Specifications
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Sound pick-up heads. General specifications
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Magnetic heads for tape recorders. General specifications
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Tape recorder cassette. General specifications
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12,7 mm wide 9-track magnetic tapes recorded at 63 bit/mm phase encoded. Specifications
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Unrecorded 12,7 mm magnetic tapes with bobbin for computers. General specifications
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Hubs for magnetic tapes. Specifications
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Acoustic household systems
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