Process for treating oil,申请号US19200432832-传众专利搜索

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发明名称	Process for treating oil
摘要
申请公布号	US1843684(A)	申请公布日期	1932.02.02
申请号	US19200432832	申请日期	1920.12.23
申请人	UNIVERSAL OIL PRODUCTS CO.	发明人	KIRSCHBRAUN LESTER
分类号		主分类号
代理机构		代理人
主权项
地址

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