Extraction of metals from heavy petroleum oils utilizing pyridine containing 10-40 percent water,申请号US19550484652-传众专利搜索

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发明名称	Extraction of metals from heavy petroleum oils utilizing pyridine containing 10-40 percent water
摘要
申请公布号	US2922760(A)	申请公布日期	1960.01.26
申请号	US19550484652	申请日期	1955.01.28
申请人	ESSO RESEARCH AND ENGINEERING COMPANY	发明人	BEACH LELAND K.;SHEWMAKER JAMES E.
分类号	C10G21/20	主分类号	C10G21/20
代理机构		代理人
主权项
地址

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