Solvent refining of hydrocarbon oil,申请号US19330696541-传众专利搜索

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发明名称	Solvent refining of hydrocarbon oil
摘要
申请公布号	US2020290(A)	申请公布日期	1935.11.12
申请号	US19330696541	申请日期	1933.11.03
申请人	THE TEXAS COMPANY	发明人	CLARKE LOUIS A.
分类号	C10G21/16	主分类号	C10G21/16
代理机构		代理人
主权项
地址

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