Oil shale retort flue gas cooling and cleaning,申请号US19770816798-传众专利搜索

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发明名称	Oil shale retort flue gas cooling and cleaning
摘要
申请公布号	USRE29553(E)	申请公布日期	1978.02.28
申请号	US19770816798	申请日期	1977.07.18
申请人		发明人
分类号	E21B36/00;E21B43/243	主分类号	E21B36/00
代理机构		代理人
主权项
地址

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