Process for treating poor manganese ores containing phosphorus,申请号US19380206607-传众专利搜索

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发明名称	Process for treating poor manganese ores containing phosphorus
摘要
申请公布号	US2265902(A)	申请公布日期	1941.12.09
申请号	US19380206607	申请日期	1938.05.07
申请人	PERCY H. ROYSTER	发明人	HAHL HANS
分类号	C21B5/02	主分类号	C21B5/02
代理机构		代理人
主权项
地址

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