Process for the refining of naphthenic acids,申请号US19390286238-传众专利搜索

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发明名称	Process for the refining of naphthenic acids
摘要
申请公布号	US2200711(A)	申请公布日期	1940.05.14
申请号	US19390286238	申请日期	1939.07.24
申请人	SHELL DEVELOPMENT COMPANY	发明人	BERRY HUGH ROGERS
分类号		主分类号
代理机构		代理人
主权项
地址

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