Patent FR847257A successfully refreshed from Google Patents.
FR847257A
Expired / Lapsed
FR
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Process for making one-piece shells for biconical metal drums
Assignee: Maurice Louis Duflot
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Filing: 1938-12-08
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Granted: 1939-10-05
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Expires: 1958-12-08
Abstract
No abstract record available.
Inventors
- 👤 Maurice Louis Duflot
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 09:42
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/02; B21D26/033; B21D15/00
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References Cited (Backward Citations)
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