Solid and liquid contact apparatus,申请号US19390268647-传众专利搜索

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发明名称	Solid and liquid contact apparatus
摘要
申请公布号	US2276298(A)	申请公布日期	1942.03.17
申请号	US19390268647	申请日期	1939.04.18
申请人	THE DRACKETT COMPANY	发明人	FRAZIER CHARLES H.
分类号	B01D11/02;C11B1/10	主分类号	B01D11/02
代理机构		代理人
主权项
地址

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