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发明名称
METHOD OF PROTECTING A TUNNEL IN AREAS OF GEOLOGICAL DISTURBANCES
摘要
申请公布号
SU1323728(A1)
申请公布日期
1987.07.15
申请号
SU19854033581
申请日期
1985.12.24
申请人
G PI "LENINGRADSKIJ PROMSTROJPROEKT";PNII "DONETSKIJ PROMSTROJNIIPROEKT"
发明人
SILVESTROV SERGEJ N,SU;SHESTOPEROV GERMAN S,SU;SHNEER VLADIMIR R,SU;YAROSHENKO OLEG YU,SU
分类号
E21D9/00;E21D11/00
主分类号
E21D9/00
代理机构
代理人
主权项
地址
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