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Patent CH201693A successfully refreshed from Google Patents.
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CH201693A Expired / Lapsed CH ⏱️ 0.0 years remaining

Process for the heat treatment of rail welds.

Assignee: Bal Martial
•
Filing: 1937-04-19
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Granted: —
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Expires: 1957-04-19
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Abstract

No abstract record available.

Inventors

  • 👤 Bal Martial

Bibliographic Details

Application Number —
Jurisdiction CH
Data Source google_patents
Last Synchronized 2026-11-05 10:08
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/50

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