Patent FR1221118A successfully refreshed from Google Patents.
FR1221118A
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Rotary vane pump for vacuum generation
Assignee: Balzers und Leybold Deutschland Holding AG
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Filing: 1959-02-25
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Granted: 1960-05-31
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Expires: 1979-02-25
Abstract
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Inventors
No inventors recorded.
Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 20:32
CPC Classifications
F; F04; F04C; F04C27/00; F04C27/02
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