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DE807848C Expired / Lapsed DE ⏱️ 0.0 years remaining

Process for butt welding of thermoplastics using frictional heat

Assignee: ERNST BORGWARDT
•
Filing: 1949-01-12
•
Granted: 1951-07-05
•
Expires: 1969-01-12
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Abstract

No abstract record available.

Inventors

  • 👤 Ernst Borgwardt

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-02 03:38
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/06; B29C65/0672; B29C66/00; B29C66/80; B29C66/81; B29C66/816; B29C66/8161; B29C66/83; B29C66/832; B29C66/8322

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