Gas and liquid contact apparatus,申请号US19300432645-传众专利搜索

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发明名称	Gas and liquid contact apparatus
摘要
申请公布号	US1873064(A)	申请公布日期	1932.08.23
申请号	US19300432645	申请日期	1930.03.03
申请人	THE KOPPERS COMPANY	发明人	JR. FREDERICK W. SPERR,
分类号	B01D47/06	主分类号	B01D47/06
代理机构		代理人
主权项
地址

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