Procédé et dispositifs d'absorption des sons, notamment dans les liquides,申请号FRD944090-传众专利搜索

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发明名称	Procédé et dispositifs d'absorption des sons, notamment dans les liquides
摘要
申请公布号	FR944090(A)	申请公布日期	1949.03.25
申请号	FRD944090	申请日期	1946.11.18
申请人	COMPAGNIE FRANCAISE THOMSON-HOUSTON	发明人
分类号	G10K11/16	主分类号	G10K11/16
代理机构		代理人
主权项
地址

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