Method of producing tungsten,申请号US19480041400-传众专利搜索

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发明名称	Method of producing tungsten
摘要
申请公布号	US2554527(A)	申请公布日期	1951.05.29
申请号	US19480041400	申请日期	1948.07.29
申请人	FINK COLIN G;CHING MA CHUK	发明人	FINK COLIN G.;MA CHUK CHING
分类号	C25C3/34	主分类号	C25C3/34
代理机构		代理人
主权项
地址

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