FR1072018A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to vacuum pumps and vane compressors
Assignee: Compagnie Generale de Radiologie SA
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Filing: 1953-01-07
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Granted: 1954-09-07
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Expires: 1973-01-07
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
2026-10-26 19:24
CPC Classifications
F; F04; F04C; F04C18/00; F04C18/30; F04C18/34; F04C18/344
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