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Copying apparatus
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Electric time relay
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Device for making copies
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Electromagnetic time relay
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Planar exposure devices
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Surface imagesetter
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Area exposure device for copiers
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Apparatus for producing a picture
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Apparatus for developing copies
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Photographic copier with a device for separating two sheets
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Apparatus for making copies
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Micro-film arrangement with a feed table
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Time switch for controlling exposure times
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Microfilm camera assembly
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