DK104212C -
Method for direct production of several positive, photographic images from a single negative by the silver salt diffusion method.
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Method for direct production of several positive, photographic images from a single negative by the silver salt diffusion method.
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DK261955A1954-08-301955-08-09
Method for direct production of several positive, photographic images from a single negative by the silver salt diffusion method.
DK104212C
(en)