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FR435854A Expired / Lapsed FR ⏱️ 0.0 years remaining

High pressure process and furnace for the direct production of iron and steel

Assignee: Individual
•
Filing: 1911-10-31
•
Granted: 1912-03-12
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Expires: 1931-10-31
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Abstract

No abstract record available.

Inventors

  • 👤 Julius Herrmann
  • 👤 Carl Otto

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-02 23:20
CPC Classifications
C; C21; C21B; C21B13/00; C21B13/06; C21B13/04; C21B13/12

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