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DE339903C Expired / Lapsed DE ⏱️ 0.0 years remaining

Process for the production of U-shaped pipes with reinforced walls at the bend point

Assignee: Thyssen and Co AG
•
Filing: 1919-04-11
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Granted: 1921-08-18
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Expires: 1939-04-11
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-02 06:16
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/28; B21C37/283

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