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发明名称
METHOD OF DETERMINING THE HEIGHT OF ZONE OF WATER-PASSING FISSURES OVER EXCAVATED SPACE
摘要
申请公布号
SU1208231(A1)
申请公布日期
1986.01.30
申请号
SU19843735530
申请日期
1984.04.29
申请人
VNII GORNOJ GEOMEKHANIKI MARK
发明人
GVIRTSMAN BORIS YA,SU;KIRILLOV ANATOLIJ P,SU;SAMARIN VLADIMIR P,SU;SHLYAKHETSKIJ VLADISLAV K,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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