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SU1422210A1
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Slide film projector
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SU1401428A1
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Film web accumulator
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SU1363125A1
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Device for slide projector film threading
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SU1337870A1
|
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Roll film accumulator
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SU1267464A1
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Device for training operation with hammer
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SU997924A1
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Automated complex for forming
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SU949705A1
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Braking device of tape driving mechanism of cassete tape recorder
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SU879615A1
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Theft protection device
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SU847338A1
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Trainer for teaching skill for combined feeds at working on metal-cutting machine tools
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SU847337A1
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Device for teaching skills for assembling electro- and -radio machine tools
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SU841018A1
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Automated class for teaching and examining pupils
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SU798954A1
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Pupil examining device
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SU796901A1
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Device for examining pupils
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SU780025A1
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Pupil examining device
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SU780024A1
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Pupil examining device
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SU760488A2
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Audio signal receiver
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SU698039A1
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Pupil examining device
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SU691900A1
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Apparatus for retrieval of information carriers
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SU575786A1
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Audio signal receiver
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