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FR1135152A
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Process for the manufacture of a hollow tube consisting of one or more sections obtained from a thin metal sheet
Assignee: ONTWIKKELINGMIJ POLYNORM NV
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Filing: 1955-11-05
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Granted: 1957-04-25
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Expires: 1975-11-05
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
2026-11-08 06:55
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/10; B21C37/104; A; A47; A47G; A47G1/00; A47G1/02
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