Apparatus for counter current treatment,申请号US19300486205-传众专利搜索

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发明名称	Apparatus for counter current treatment
摘要
申请公布号	US1865024(A)	申请公布日期	1932.06.28
申请号	US19300486205	申请日期	1930.10.03
申请人	STANDARD OIL DEVELOPMENT COMPANY	发明人	LEBO ROBERT B.
分类号	B01J19/24	主分类号	B01J19/24
代理机构		代理人
主权项
地址

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