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FR618299A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements to the drain line valves to automatically prevent the opposite inlet of running water

Assignee: Fumikesa Yuwaki
•
Filing: 1925-12-14
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Granted: 1927-03-07
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Expires: 1945-12-14
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Abstract

No abstract record available.

Inventors

  • 👤 Fumikesa Yuwaki

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-28 16:19
CPC Classifications
E; E02; E02B; E02B7/00; E02B7/20; E02B7/205

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