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FR864638A Expired / Lapsed FR ⏱️ 0.0 years remaining

System of passive defense trenches, in lightweight reinforced concrete, designed to be placed in the open air or underground

Assignee: Pincot Ernest Pierre Eugene
•
Filing: 1940-04-04
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Granted: 1941-05-01
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Expires: 1960-04-04
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Abstract

No abstract record available.

Inventors

  • 👤 Pincot Ernest Pierre Eugene

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-01 13:51
CPC Classifications
E; E04; E04H; E04H9/00; E04H9/04; E04H9/10; E04H9/12

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