CH201693A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Process for the heat treatment of rail welds.
Assignee: Bal Martial
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Filing: 1937-04-19
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Granted: —
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Expires: 1957-04-19
Abstract
No abstract record available.
Inventors
- 👤 Bal Martial
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-05 04:16
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/50
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References Cited (Backward Citations)
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