Patent FR820653A successfully refreshed from Google Patents.
FR820653A
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FR
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Variable pitch propeller with hydraulic adjustment
Assignee: Siemens APP und Maschinen GmbH
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Filing: 1937-04-16
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Granted: 1937-11-16
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Expires: 1957-04-16
Abstract
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Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 01:49
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30; B64C11/38; B64C11/42
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