Procédé pour conduire en cycle le cuivre dans la fabrication de la rayonne cuproammoniacale,申请号FRD841435-传众专利搜索

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发明名称	Procédé pour conduire en cycle le cuivre dans la fabrication de la rayonne cuproammoniacale
摘要
申请公布号	FR841435(A)	申请公布日期	1939.05.19
申请号	FRD841435	申请日期	1938.07.29
申请人	I. G. FARBENINDUSTRIE A. G.;DUISBURGER KUPFERHU:TTE	发明人
分类号	D01F2/04	主分类号	D01F2/04
代理机构		代理人
主权项
地址

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