Patent FR931670A successfully refreshed from Google Patents.
FR931670A
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FR
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Improvements to obturators
Assignee: Askania Regulator Co
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Filing: 1946-07-29
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Granted: 1948-03-01
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Expires: 1966-07-29
Abstract
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Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 11:58
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/16; F16K1/18; F16K1/22; F16K1/222
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