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JPS51144225A
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Photographic copying machine
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GB1106302A
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Improvements in or relating to photographic copying apparatus
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GB960431A
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Improvements in or relating to holders for photographic negatives and the like
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GB818495A
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Improvements in or relating to photographic apparatus
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US2897740A
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Photographic printing frames or copyholders
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GB784068A
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Improvements in or relating to photographic printing apparatus
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GB784067A
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Improvements in or relating to photographic printing apparatus
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GB784066A
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Improvements in or relating to photographic printing apparatus
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GB784069A
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Improvements in or relating to photographic printing apparatus
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GB773110A
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Improvements in or relating to photographic printing frames or copyholders
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US2744458A
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Brake and indexing means for printing machines
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GB718544A
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Improvements relating to darkroom photo-reproduction cameras
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GB718545A
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Improvements relating to combined negative plate and focusing screen holders for darkroom photo-reproduction cameras
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GB721699A
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Improvements relating to screen holders for photo-lithographic equipment
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GB733429A
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Improvements relating to copy-holders for use with photo-reproduction cameras
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GB713078A
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Improvements in or relating to photographic contact printing machines for preparing photo-mechanical printing surfaces
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GB711427A
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Improvements in or relating to negative-printing machines for use in photo-lithography
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US2643187A
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Photoreproduction camera
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US2646719A
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Clamping device
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US2603126A
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Horizontal locking device for copyholders
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