FR1042997A
Expired / Lapsed
FR
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Improvements made to the construction elements made up of channel-shaped profiles with side wings and stamped sheet metal
Assignee: Bochumer Eisenhuette Heintzmann GmbH and Co KG
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Filing: 1951-05-18
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Granted: 1953-11-05
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Expires: 1971-05-18
Abstract
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FR
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google_patents
Last Synchronized
2026-10-31 23:50
CPC Classifications
E; E21; E21D; E21D11/00; E21D11/14; E21D11/18; E21D11/20
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