An improved method of refining selenium,申请号GB19350003745-传众专利搜索

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发明名称	An improved method of refining selenium
摘要
申请公布号	GB440004(A)	申请公布日期	1935.12.18
申请号	GB19350003745	申请日期	1935.02.05
申请人	BOLIDENS GRUVAKTIEBOLAG	发明人
分类号	C01B19/02	主分类号	C01B19/02
代理机构		代理人
主权项
地址

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