Patent FR47011E successfully refreshed from Google Patents.
FR47011E
Expired / Lapsed
FR
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Improvement in vacuum pumps using steam as motor fluid
Assignee: Compagnie Generale de Radiologie SA
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Filing: 1935-07-30
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Granted: 1936-11-30
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Expires: 1955-07-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 22:20
CPC Classifications
F; F04; F04F; F04F9/00
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