FR872393A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Protection of pipe threads
Assignee: DEUTSCHE ROHRENWERKE AG
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Filing: 1941-05-21
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Granted: 1942-06-05
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Expires: 1961-05-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-09 09:24
CPC Classifications
F; F16; F16L; F16L57/00; F16L57/005; B; B65; B65D; B65D59/00; B65D59/02; B65D59/06
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