Refining of lubricating oils,申请号US19620180875-传众专利搜索

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发明名称	Refining of lubricating oils
摘要
申请公布号	US3228875(A)	申请公布日期	1966.01.11
申请号	US19620180875	申请日期	1962.03.19
申请人	THE BRITISH PETROLEUM COMPANY, LIMITED	发明人	DEMEESTER JACQUES
分类号	B01J23/882;C10G45/08	主分类号	B01J23/882
代理机构		代理人
主权项
地址

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