Patent US3847892A successfully refreshed from Google Patents.
AT185564B
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Assignee: Rudolf A Prinz
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Filing: 1954-12-07
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Granted: 1956-05-11
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Expires: 1974-12-07
Abstract
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Inventors
- 👤 Rudolf A Prinz
Bibliographic Details
Application Number
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Jurisdiction
AT
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google_patents
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2026-11-07 13:47
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