Difference between revisions of "Patent for Kühlvorrichtung für Bildwerfer, Ludwig Pani, 1931 (Q31923)"
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(Created claim: Canon image id (P74): AT125419B_Original_document_20230802200056.pdf) | (Created claim: Publication date (P40): 10 November 1931) | ||||||||||||||
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| + | 10 November 1931
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Revision as of 18:02, 2 August 2023
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| Language | Label | Description | Also known as |
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| English | Patent for Kühlvorrichtung für Bildwerfer, Ludwig Pani, 1931 | No description defined |
Statements
10 November 1931
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