Improvements in the treatment of lubricating oils,申请号GB19330021570-传众专利搜索

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发明名称	Improvements in the treatment of lubricating oils
摘要
申请公布号	GB423441(A)	申请公布日期	1935.02.01
申请号	GB19330021570	申请日期	1933.08.01
申请人	ALAN ARNOLD GRIFFITH;WILLIAM HELMORE	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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