Patent for Kühlvorrichtung für Bildwerfer, Ludwig Pani, 1931 (Q31923)
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Revision as of 18:02, 2 August 2023 by ChrisVG (talk | contribs) (Created claim: Property:P40: 10 November 1931)
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English | Patent for Kühlvorrichtung für Bildwerfer, Ludwig Pani, 1931 | No description defined |
Statements
10 November 1931
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