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FR1494967A Expired / Lapsed FR ⏱️ 0.0 years remaining

Electroacoustic process for the absorption of disturbing sounds and noises in large areas

Assignee: Centre National de la Recherche Scientifique
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Filing: 1966-08-04
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Granted: 1967-09-15
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Expires: 1986-08-04
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Abstract

No abstract record available.

Inventors

  • 👤 Maurice Jessel

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-03 08:55
CPC Classifications
G; G10; G10K; G10K11/00; G10K11/16; G10K11/175; G10K11/178; G10K11/1785; G10K11/17857; G10K11/1787; G10K11/17873; G10K11/17879; G10K11/17881; G10K2210/00; G10K2210/10; G10K2210/108; G10K2210/1082; G10K2210/12; G10K2210/30; G10K2210/301; G10K2210/3011; G10K2210/3045; G10K2210/3046; G10K2210/321; G10K2210/3216; G10K2210/3217

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