Procédé pour l'extraction du zinc de ses minerais carbonatés pauvres,申请号FRD907600-传众专利搜索

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发明名称	Procédé pour l'extraction du zinc de ses minerais carbonatés pauvres
摘要
申请公布号	FR907600(A)	申请公布日期	1946.03.15
申请号	FRD907600	申请日期	1944.04.26
申请人		发明人	VEROLA PAUL
分类号		主分类号
代理机构		代理人
主权项
地址

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