FR1591780A
Expired / Lapsed
FR
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FR1591780A - - Google Patents
Assignee: —
•
Filing: 1968-11-14
•
Granted: 1970-05-04
•
Expires: 1988-11-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 19:13
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/34; E21B43/36; B; B01; B01D; B01D19/00; B01D19/0042; B01D19/0052; E21B43/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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