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发明名称
METHOD OF ELIMINATING ABSORPTION IN ROCK WHEN DRIVING MINE WORKINGS
摘要
申请公布号
SU1606699(A1)
申请公布日期
1990.11.15
申请号
SU19884476232
申请日期
1988.05.13
申请人
SPETSIALIZIROVANNOE PROIZV GEOLOGICHESKOE OB PO TAMPONAZHNYM GEOLOGORAZVEDOCHNYM RABOTAM "SPETSTAMPONAZHGEOLOGIYA"
发明人
KIPKO ERNEST YA,SU;POLOZOV YURIJ A,SU;SPICHAK YURIJ N,SU;KIPKO ALEKSANDR E,SU
分类号
E21D1/16;(IPC1-7):E21D1/16
主分类号
E21D1/16
代理机构
代理人
主权项
地址
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