Apparatus for fractional distillation,申请号US19380225902-传众专利搜索

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发明名称	Apparatus for fractional distillation
摘要
申请公布号	US2231828(A)	申请公布日期	1941.02.11
申请号	US19380225902	申请日期	1938.08.20
申请人	THE UNITED GAS IMPROVEMENT COMPANY	发明人	KERR SAMUEL LOGAN
分类号	B01D3/28	主分类号	B01D3/28
代理机构		代理人
主权项
地址

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