Procédé et dispositif pour l'absorption des sons,申请号FRD58806-传众专利搜索

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发明名称	Procédé et dispositif pour l'absorption des sons
摘要
申请公布号	FR58806(E)	申请公布日期	1954.04.06
申请号	FRD58806	申请日期	1948.11.18
申请人		发明人	BOET ANDRE-OVIDE-ADOLPHE
分类号	F01N1/24	主分类号	F01N1/24
代理机构		代理人
主权项
地址

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