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GB1120685A
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Automatic separation apparatus for sensitive paper and original paper in a copying machine
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GB1020931A
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Automatic electric control system for a combined printing and ammonia gas developing machine for sensitive papers
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GB987890A
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Apparatus for the continuous development of light sensitive material by ammonia vapour
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GB939808A
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Photo sensitive paper developing device
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GB891748A
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The safety indication arrangement of the mercury lamp for the light source in a light-sensitive paper printing machine
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GB884323A
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Improved arrangement for easy assembling and disconnecting of the light source section of a sensitive paper printing machine
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CA662330A
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Light source arrangement in printing machine
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CA654389A
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Light source arrangement for copying machines
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CA737695A
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Sensitive paper developing device
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CA797695A
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Automatic separation system for sensitive paper and original paper in copying machine
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CA788207A
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Automatic control for printing and developing machines
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