FR850628A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
sheet metal construction element
Assignee: ERFORSCHUNG und ENTWICKLUNG NE
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Filing: 1939-02-20
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Granted: 1939-12-21
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Expires: 1959-02-20
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
2026-10-25 20:46
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/32
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