Recovery of selenium,申请号US19340714635-传众专利搜索

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发明名称	Recovery of selenium
摘要
申请公布号	US2048563(A)	申请公布日期	1936.07.21
申请号	US19340714635	申请日期	1934.03.08
申请人	AMERICAN SMELTING AND REFINING COMPANY	发明人	POLAND FRANK F.
分类号	C01B19/00	主分类号	C01B19/00
代理机构		代理人
主权项
地址

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