Mine cooling unit,申请号US19660528492-传众专利搜索

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发明名称	Mine cooling unit
摘要
申请公布号	US3320765(A)	申请公布日期	1967.05.23
申请号	US19660528492	申请日期	1966.02.18
申请人	CHAPPLE ROLLIN S;SIEGEL JOHN F	发明人	CHAPPLE ROLLIN S.;SIEGEL JOHN F.
分类号	E21F3/00;F24F1/02;F25D15/00	主分类号	E21F3/00
代理机构		代理人
主权项
地址

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