PROCESS OF SMELTING TUNGSTEN ORES,申请号CAD302310-传众专利搜索

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发明名称	PROCESS OF SMELTING TUNGSTEN ORES
摘要
申请公布号	CA302310(A)	申请公布日期	1930.07.22
申请号	CAD302310	申请日期
申请人	THE ELECTRO METALLURGICAL COMPANY OF CANADA	发明人	FREDERICK M. BECKET;WILLIAM C. READ
分类号		主分类号
代理机构		代理人
主权项
地址

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