Treatment of iron pyrites,申请号US19280257095-传众专利搜索

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发明名称	Treatment of iron pyrites
摘要
申请公布号	US1891717(A)	申请公布日期	1932.12.20
申请号	US19280257095	申请日期	1928.02.25
申请人	SULPHIDE CORPORATION	发明人	LEVY STANLEY ISAAC
分类号	C22B1/08	主分类号	C22B1/08
代理机构		代理人
主权项
地址

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