Filtre pour purifier l'air chargé de gaz toxiques,申请号FRD863906-传众专利搜索

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发明名称	Filtre pour purifier l'air chargé de gaz toxiques
摘要
申请公布号	FR863906(A)	申请公布日期	1941.04.12
申请号	FRD863906	申请日期	1939.10.28
申请人		发明人	LEYS GEORGES PIERRE
分类号	B01D46/30	主分类号	B01D46/30
代理机构		代理人
主权项
地址

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