Process of treating lubricating oil stock,申请号US19310570048-传众专利搜索

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发明名称	Process of treating lubricating oil stock
摘要
申请公布号	US2027770(A)	申请公布日期	1936.01.14
申请号	US19310570048	申请日期	1931.10.20
申请人	FIELDS JOHN D	发明人	FIELDS JOHN D.
分类号	C09D11/02;C10G19/00	主分类号	C09D11/02
代理机构		代理人
主权项
地址

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