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AT141397B Expired / Lapsed AT ⏱️ 0.0 years remaining

Method of making ribbed iron sleepers.

Assignee: Ver Stahlwerke Ag
•
Filing: 1933-07-22
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Granted: 1935-04-10
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Expires: 1953-07-22
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Abstract

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Inventors

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Bibliographic Details

Application Number —
Jurisdiction AT
Data Source google_patents
Last Synchronized 2026-11-06 02:45
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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