Improvements relating to the purification of lubricating oils,申请号GB19480029004-传众专利搜索

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发明名称	Improvements relating to the purification of lubricating oils
摘要
申请公布号	GB668836(A)	申请公布日期	1952.03.26
申请号	GB19480029004	申请日期	1948.11.08
申请人	STANDARD OIL DEVELOPMENT COMPANY	发明人
分类号	C10G25/06	主分类号	C10G25/06
代理机构		代理人
主权项
地址

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