Method of controlling a fractionating column,申请号US19450619647-传众专利搜索

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发明名称	Method of controlling a fractionating column
摘要
申请公布号	US2489949(A)	申请公布日期	1949.11.29
申请号	US19450619647	申请日期	1945.10.01
申请人	SOCONY-VACUUM OIL COMPANY, INCORPORATED	发明人	BLAIR ALLEN H.
分类号	B01D3/42	主分类号	B01D3/42
代理机构		代理人
主权项
地址

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