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How to_BW Polaroid Emulsion
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06-21-2007, 05:11 PM
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AgX
Join Date: Apr 2007
Location: Germany
Posts: 1,718
As a clarification:
That patent 2,352,014 is an US patent of André Rott. I gave his British patent 614,155. However this seems not to be accessible on the net.
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