Treatment of mineral oils by heat,申请号US19260137344-传众专利搜索

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发明名称	Treatment of mineral oils by heat
摘要
申请公布号	US1969322(A)	申请公布日期	1934.08.07
申请号	US19260137344	申请日期	1926.09.23
申请人	UNIVERSAL OIL PRODUCTS COMPANY	发明人	PERELIS WALTER JAMES
分类号		主分类号
代理机构		代理人
主权项
地址

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