FR2672156A1
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Thermoelectronic (thermionic) cathode assembly for electron beam devices
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SU1615794A1
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Composition for cleaning layer of abrasive tape
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SU1649608A1
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Magnetic read/write head unit
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SU1642519A1
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Cassette
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SU1707647A1
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Cathode assembly for electronic instruments
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SU1501151A1
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Device for controlling tape transport mechanism
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SU1170500A1
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Device for recording and reproducing of electrical signals
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SU996424A1
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Polyurethane composition for making belts for drive mechanisms of magnetic record equipment
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SU1007124A1
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Magnetic record carrier
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SU881831A1
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Device for digital magnetic recording by parallel code
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SU760176A1
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Device for magnetic recording of digital information
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SU613371A1
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Apparatus for start-stop playback from magnetic tape
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