Patent FR815271A successfully refreshed from Google Patents.
FR815271A
Expired / Lapsed
FR
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Soundproof test bench in the open air
Assignee: D INV S AERONAUTIQUES ET MECAN
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Filing: 1936-03-20
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Granted: 1937-07-08
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Expires: 1956-03-20
Abstract
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Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 12:08
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/26
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