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PL274424A1
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Diapositive film projector
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CS34086A2
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Method of sound's optical scanning on film band and device for this method realization
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PL256224A1
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High-power lamp in particular for a movie projector
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PL254488A1
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Projection objective
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PL253804A1
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Apparatus for xerographic image reproduction
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PL253242A1
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System for smoothening cinematograph film movement downstream the intermittent motion mechanism
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PL251672A1
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Method of and apparatus for optically reproducing sound signals recored on a cinematograph film
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PL248039A1
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Multi-function woodworking machine
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PL246167A1
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Gripper of films intermittent motion mechanism,especially in 16 mm projectors
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PL244292A1
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Compact loudspeaker unit
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PL243052A1
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Coating apparatus for developing of xerographic images using metal carrier with sealing-transporting magnetic unit
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PL239908A1
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Method of imparting of conductivity to the base of electrographic paper for electrophotography purposes
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PL239630A1
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Process for preparing emulsions for regeneration of selenium layers for electrophotography purposes
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PL238978A1
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Angling reel
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PL238974A1
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Multi-operation woodworking machine
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PL233950A1
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Film viewing-cutting bench
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PL232392A1
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Apparatus for removing paper sheets from a photosensitive image surface of a xerographic printer
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DE1597295A1
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Reproduction camera with a vertical optical axis
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DE1522660A1
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Charging device in a xerograph
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