Process of revivifying mineral absorbents,申请号US19310571507-传众专利搜索

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发明名称	Process of revivifying mineral absorbents
摘要
申请公布号	US1943976(A)	申请公布日期	1934.01.16
申请号	US19310571507	申请日期	1931.10.28
申请人	LEWERS GEORGE R	发明人	LEWERS GEORGE R.
分类号	B01J20/12;F27B3/22	主分类号	B01J20/12
代理机构		代理人
主权项
地址

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