Difference between revisions of "Patent for Kühlvorrichtung für Bildwerfer, Ludwig Pani, 1931 (Q31923)"

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(‎Created claim: Publication date (P40): 10 November 1931)
 
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Property / Field
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Property / Field: lighting and projection / rank
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Property / author
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Property / author: Ludwig Pani / rank
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Property / Internal image
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Property / Internal image: AT_125419_B.png / rank
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Property / Copy available online
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Property / Copy available online: https://worldwide.espacenet.com/patent/search/family/003634313/publication/AT125419B?q=pn%3DAT125419B / rank
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Property / Backup document
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Property / Backup document: AT125419B_Original_document_20230802200056.pdf / rank
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Property / Publication date
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10 November 1931
Timestamp+1931-11-10T00:00:00Z
Timezone+00:00
CalendarGregorian
Precision1 day
Before0
After0
Property / Publication date: 10 November 1931 / rank
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Latest revision as of 18:02, 2 August 2023

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Patent for Kühlvorrichtung für Bildwerfer, Ludwig Pani, 1931
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