Apparatus for refining used crankcase oil,申请号US19420442754-传众专利搜索

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发明名称	Apparatus for refining used crankcase oil
摘要
申请公布号	US2319598(A)	申请公布日期	1943.05.18
申请号	US19420442754	申请日期	1942.05.13
申请人	HARRIS WILLIAM D	发明人	HARRIS WILLIAM D.
分类号	C10M175/00	主分类号	C10M175/00
代理机构		代理人
主权项
地址

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