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FR679867A Expired / Lapsed FR ⏱️ 0.0 years remaining

Method of fittings, by welding, nested tubes and its embodiments

Assignee: FR DES CONST AITON SOC
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Filing: 1929-08-05
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Granted: 1930-04-18
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Expires: 1949-08-05
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-23 21:11
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/02; F16L13/0218; F16L13/04

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