Oil re-refiner,申请号US19300484770-传众专利搜索

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发明名称	Oil re-refiner
摘要
申请公布号	US1936033(A)	申请公布日期	1933.11.21
申请号	US19300484770	申请日期	1930.09.27
申请人	SARVENT JOSEPH G	发明人	SARVENT JOSEPH G.
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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