Process of fractionating asphalt and similar bituminous materials,申请号US19510218480-传众专利搜索

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发明名称	Process of fractionating asphalt and similar bituminous materials
摘要
申请公布号	US2783188(A)	申请公布日期	1957.02.26
申请号	US19510218480	申请日期	1951.03.30
申请人	KERR-MCGEE OIL INDUSTRIES, INC.	发明人	AGOSTON GEORGE A.
分类号	C10C3/08	主分类号	C10C3/08
代理机构		代理人
主权项
地址

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