Cooling and handling of petroleum pitches,申请号US19530370573-传众专利搜索

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发明名称	Cooling and handling of petroleum pitches
摘要
申请公布号	US2802236(A)	申请公布日期	1957.08.13
申请号	US19530370573	申请日期	1953.07.27
申请人	PHILLIPS PETROLEUM COMPANY	发明人	NASH MARTIN E.
分类号	B01J2/24;C01B17/02;C10C3/14	主分类号	B01J2/24
代理机构		代理人
主权项
地址

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