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FR803690A Expired / Lapsed FR ⏱️ 0.0 years remaining

Method and device for heat treatment of tubular metal parts

Assignee: CIE DES FORGES DE CHATILLON
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Filing: 1935-06-27
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Granted: 1936-10-06
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Expires: 1955-06-27
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-01 06:59
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/08

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