METHOD OF MEASUREMENT OF PRIMARY TEMPERATURE OF THE GROUND,ESPECIALLY ROCKS IN COAL MINE EXCAVATIONS AND APPARATUS THEREFOR,申请号PL19820238274-传众专利搜索

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发明名称	METHOD OF MEASUREMENT OF PRIMARY TEMPERATURE OF THE GROUND,ESPECIALLY ROCKS IN COAL MINE EXCAVATIONS AND APPARATUS THEREFOR
摘要
申请公布号	PL139098(B1)	申请公布日期	1986.12.31
申请号	PL19820238274	申请日期	1982.09.16
申请人		发明人
分类号	E21B47/06;G01K;G01K1/14;G01K13/10;(IPC1-7):G01K1/14	主分类号	E21B47/06
代理机构		代理人
主权项
地址

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