Difference between revisions of "Patent for Kühlvorrichtung für Bildwerfer, Ludwig Pani, 1931 (Q31923)"
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(Created claim: Copy available online (P37): https://worldwide.espacenet.com/patent/search/family/003634313/publication/AT125419B?q=pn%3DAT125419B) | (Created claim: Backup document (P74): AT125419B_Original_document_20230802200056.pdf) | ||
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Revision as of 18:01, 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 |
