Patent FR775485A successfully refreshed from Google Patents.
FR775485A
Expired / Lapsed
FR
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Poll machine
Assignee: ENTPR S IND ET DE TRAVAUX PUBL
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Filing: 1934-07-09
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Granted: 1934-12-28
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Expires: 1954-07-09
Abstract
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Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 13:40
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/02; E21B27/00
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