Filtre à gaz de sécurité,申请号FRD885055-传众专利搜索

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发明名称	Filtre à gaz de sécurité
摘要
申请公布号	FR885055(A)	申请公布日期	1943.09.03
申请号	FRD885055	申请日期	1941.01.07
申请人	SOCIETE ATELIERS NEYRET-BEYLIER ET PICCARD-PICTET	发明人
分类号	B01D46/00;B01D46/24;C10K1/02	主分类号	B01D46/00
代理机构		代理人
主权项
地址

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