Process for extracting ores and the like,申请号US19360118685-传众专利搜索

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发明名称	Process for extracting ores and the like
摘要
申请公布号	US2142926(A)	申请公布日期	1939.01.03
申请号	US19360118685	申请日期	1936.12.31
申请人	N. V. MAATSCHAPPIJ VOOR ZWAVELZUURBEREIDING VOORHEEN G. T. KETJEN & CO.	发明人	ES ADRIAAN CORNELIS VAN
分类号	C22B23/00	主分类号	C22B23/00
代理机构		代理人
主权项
地址

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