Dispositif antisonore et antiflammes,申请号FRD843784-传众专利搜索

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发明名称	Dispositif antisonore et antiflammes
摘要
申请公布号	FR843784(A)	申请公布日期	1939.07.10
申请号	FRD843784	申请日期	1938.09.22
申请人		发明人	COQUARD CHARLES LOUIS
分类号	F01N1/12;F01N1/20;F01N3/06	主分类号	F01N1/12
代理机构		代理人
主权项
地址

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