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FR876383A Expired / Lapsed FR ⏱️ 0.0 years remaining

Process for improving the mechanical properties, and in particular the compressive strength, of cement, mortar and concrete

Assignee: Leopold Heppe
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Filing: 1941-10-28
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Granted: 1942-11-04
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Expires: 1961-10-28
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Abstract

No abstract record available.

Inventors

  • 👤 Leopold Heppe

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-31 15:32
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B28/04

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