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DE540825C Expired / Lapsed DE ⏱️ 0.0 years remaining

Process for the formation of the socket end or the spigot end of pipes used for the production of safety welding socket connections

Assignee: Vereinigte Stahlwerke AG
•
Filing: 1929-05-09
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Granted: 1932-01-07
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Expires: 1949-05-09
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Abstract

No abstract record available.

Inventors

  • 👤 Julius Grossweischede
  • 👤 Georg Reichenbecher
  • 👤 Ruhr-Styrum

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-28 04:12
CPC Classifications
B; B21; B21D; B21D19/00; B21D19/08

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