Method of activating clays,申请号US19390258737-传众专利搜索

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发明名称	Method of activating clays
摘要
申请公布号	US2174610(A)	申请公布日期	1939.10.03
申请号	US19390258737	申请日期	1939.02.27
申请人	HENRY S. MONTGOMERY	发明人	WEIR JAMES W.
分类号	B01J20/12	主分类号	B01J20/12
代理机构		代理人
主权项
地址

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