Process of recovering barite from its native materials,申请号US19470792139-传众专利搜索

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发明名称	Process of recovering barite from its native materials
摘要
申请公布号	US2546247(A)	申请公布日期	1951.03.27
申请号	US19470792139	申请日期	1947.12.17
申请人	WOLF WILLIAM C	发明人	WOLF WILLIAM C.
分类号	B02C17/02	主分类号	B02C17/02
代理机构		代理人
主权项
地址

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