DEVICE FOR DETERMINING ROCK STRENGTH IN BOREHOLES,申请号SU19884440117-传众专利搜索

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发明名称	DEVICE FOR DETERMINING ROCK STRENGTH IN BOREHOLES
摘要
申请公布号	SU1571244(A2)	申请公布日期	1990.06.15
申请号	SU19884440117	申请日期	1988.06.15
申请人	SPETSIALIZIROVANNOE OTDEL PO IZYSKANIYAM ISSLEDOVANIYAM I "SOYUZGIPROVODKHOZ"	发明人	VOROBEV EVGENIJ A,SU;SEMENOV YURIJ V,SU;OLONOVSKIJ YURIJ A,SU;EFREMOV ANATOLIJ D,SU
分类号	E21C39/00	主分类号	E21C39/00
代理机构		代理人
主权项
地址

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