BOREHOLE DEVICE FOR ESTIMATING STRENGTH OF ROCK MASS,申请号SU19762330643-传众专利搜索

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发明名称	BOREHOLE DEVICE FOR ESTIMATING STRENGTH OF ROCK MASS
摘要
申请公布号	SU607017(A1)	申请公布日期	1978.05.15
申请号	SU19762330643	申请日期	1976.03.01
申请人	VNI PK UGOLNYJ I "KNIUI"	发明人	GUMENYUK GEORGIJ N,SU;ISAGULOV TULEU ,SU;KHOKHLOV YURIJ M,SU;BAKLAN IVAN ,SU
分类号	E21C39/00;(IPC1-7):E21C39/00	主分类号	E21C39/00
代理机构		代理人
主权项
地址

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