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FR805260A Expired / Lapsed FR ⏱️ 0.0 years remaining

New process for the protection of the wet perimeter of concrete pipes against the corrosive and mechanical action of wastewater

Assignee: Hermann Gutlin
•
Filing: 1936-04-24
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Granted: 1936-11-16
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Expires: 1956-04-24
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Abstract

No abstract record available.

Inventors

  • 👤 Hermann Gutlin
  • 👤 Pierre Liebenguth

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-28 14:45
CPC Classifications
E; E03; E03F; E03F3/00; E03F3/04

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