METHOD OF ENRICHMENT OF SULPHIDE ZINC-LEAD ORES,申请号PL19770203095-传众专利搜索

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发明名称	METHOD OF ENRICHMENT OF SULPHIDE ZINC-LEAD ORES
摘要
申请公布号	PL114332(B1)	申请公布日期	1981.01.31
申请号	PL19770203095	申请日期	1977.12.17
申请人		发明人
分类号	B03B1/00;C22B;C22B1/00;(IPC1-7):C22B1/00	主分类号	B03B1/00
代理机构		代理人
主权项
地址

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