Treatment of diatomaceous earth,申请号US19500184349-传众专利搜索

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发明名称	Treatment of diatomaceous earth
摘要
申请公布号	US2693456(A)	申请公布日期	1954.11.02
申请号	US19500184349	申请日期	1950.09.11
申请人	THE EAGLE-PICHER COMPANY	发明人	FENNELL JOHN E.
分类号	B01J20/14	主分类号	B01J20/14
代理机构		代理人
主权项
地址

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