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GB663682A
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Improvements in devices for four colour stereoscopic cinematography
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Device for four-color stereoscopic cinematography based on additional synthesis
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Device for four colour stereoscopic cinematography
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Optical arrangement for colour photography and cinematography
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Device for four-color stereoscopic cinematography based on additional synthesis
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Apparatus for colour photography
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Apparatus for color photography
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Apparatus for color photography
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Colour cinematography
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Improvements in electrically heated receptacles
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Improvements in the construction of electrical storage water heaters
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Improvements in and relating to the production of photographic images
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