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AT52200B
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Process for the production of photomechanical printing forms in which the areas of an exposed chromate layer that have been washed out by development print.
Assignee: Adolf Tellkampf
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Filing: 1910-02-26
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Granted: 1912-02-10
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Expires: 1930-02-26
Abstract
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Inventors
- 👤 Adolf Tellkampf
Bibliographic Details
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AT
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2026-10-23 23:57
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