FR776947A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvement in the electric arc welding process
Assignee: Alphonse Prost
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Filing: 1933-10-25
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Granted: 1935-02-07
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Expires: 1953-10-25
Abstract
No abstract record available.
Inventors
- 👤 Alphonse Prost
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 07:30
CPC Classifications
B; B23; B23K; B23K33/00; B23K33/004
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References Cited (Backward Citations)
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