FR690380A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for obtaining ceiling beams made of artificial stones and corresponding artificial stone
Assignee: CHR MOHRING SOHNE
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Filing: 1930-02-21
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Granted: 1930-09-19
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Expires: 1950-02-21
Abstract
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Bibliographic Details
Application Number
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Jurisdiction
FR
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google_patents
Last Synchronized
2026-11-05 14:23
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/20; E04C3/22
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