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FR992706A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements to extinguishing devices for noise propagating in a flowing fluid, in particular silencers for internal combustion engines and firearms

Assignee: SIVAL SOC
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Filing: 1944-08-09
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Granted: 1951-10-22
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Expires: 1964-08-09
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-30 07:39
CPC Classifications
F; F01; F01N; F01N1/00; F01N1/08; F01N1/10; F41; F41A; F41A21/00; F41A21/30; F01N2470/00; F01N2470/14; F01N2470/18; F01N2490/00; F01N2490/16

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