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DE700252C Expired / Lapsed DE ⏱️ 0.0 years remaining

Diazo blueprint material

Assignee: Kalle GmbH and Co KG
•
Filing: 1938-12-17
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Granted: 1940-12-16
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Expires: 1958-12-17
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Abstract

No abstract record available.

Inventors

  • 👤 Dr Wilhelm Krieger
  • 👤 Dr Rolf Mittag

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-24 20:39
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/52

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