Patent US2383967A successfully refreshed from Google Patents.
Patent FR728908A successfully refreshed from Google Patents.
FR728908A
Expired / Lapsed
FR
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Process for the manufacture of metal sleepers
Assignee: Vereinigte Stahlwerke AG
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Filing: 1931-12-29
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Granted: 1932-07-13
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Expires: 1951-12-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-09 01:40
CPC Classifications
B; B21; B21K; B21K7/00; B21K7/02; B21K7/06; B21H; B21H7/00; B21H7/005; Y; Y10; Y10T; Y10T29/00; Y10T29/29
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