FR680613A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Internal lining for pipes, in particular the exhaust pipes of gas engines
Assignee: Gutehoffnungshutte Oberhausen AG
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Filing: 1929-08-21
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Granted: 1930-05-02
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Expires: 1949-08-21
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-24 08:41
CPC Classifications
F; F16; F16L; F16L58/00; F16L58/02; F16L58/04; F16L58/14
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