Extraction of tin from ores and concentrates,申请号GB19510002612-传众专利搜索

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发明名称	Extraction of tin from ores and concentrates
摘要
申请公布号	GB687694(A)	申请公布日期	1953.02.18
申请号	GB19510002612	申请日期	1951.02.02
申请人	NEW ENTERPRISES, INC.	发明人
分类号	C22B25/00;C22B25/02	主分类号	C22B25/00
代理机构		代理人
主权项
地址

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