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GB1199727A
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Photographic Developing Apparatus
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GB1199733A
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Photographic Developing Apparatus
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US3460963A
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Process for the manufacture of an electrophotographic material
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Process for the manufacture of an electrophotographic material
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GB1077885A
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Preparations for increasing contrast in the production of photographic images from silver halide layers
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Electrophotographic layers with polyamide binders and a process for their manufacture
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GB944746A
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Improvements in and relating to photographic reflex-copying
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DE1020863B
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Process for the production of photographic paper with a photosensitive layer on both sides
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Cinematographic film in natural colors
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GB430395A
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Improvements in or relating to the production of cinematographic films in natural colours
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GB429239A
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Improved method for the reproduction of photographic multi-colour screen images
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US2016217A
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Production of cinematographic films
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US1950863A
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Individual envelope for photographic films
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DE569101C
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Automatic photographic shutter
|
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GB301516A
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Improved manufacture of coloured particles and of photographic screens thereof
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CA764370A
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Process for the manufacture of an electrophotographic material
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CA296927A
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Manufacture of multi-colour screens for photography
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CA827605A
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Process for the manufacture of an electrophotographic material
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CA826125A
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Electrophotographic materials and a process for their manufacture
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