Procédé de fabrication d'éléments filtrants en papier ou analogues et filtres fabriqués avec ces éléments,申请号FRD1180491-传众专利搜索

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发明名称	Procédé de fabrication d'éléments filtrants en papier ou analogues et filtres fabriqués avec ces éléments
摘要
申请公布号	FR1180491(A)	申请公布日期	1959.06.04
申请号	FRD1180491	申请日期	1957.08.02
申请人		发明人	ROBERT JOSEPH-CHARLES
分类号	B01D39/18	主分类号	B01D39/18
代理机构		代理人
主权项
地址

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