FR893981A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device for automatically ensuring the engagement between a rotating toothed drum for films and the perforation of a moving film
Assignee: Askania Werke AG
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Filing: 1943-03-24
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Granted: 1944-12-11
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Expires: 1963-03-24
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 14:35
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/42
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