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经营范围
发明名称
TUNNELING SHIELD
摘要
申请公布号
SU1361332(A1)
申请公布日期
1987.12.23
申请号
SU19843805324
申请日期
1984.10.22
申请人
SP KT BYURO GLAVMOSINZHSTROYA
发明人
STOGOV SERGEJ N,SU;SEMENOV ALEKSANDR N,SU;ANTIPOV EVGENIJ V,SU
分类号
E21D9/06;E21D9/04;E21D9/08;(IPC1-7):E21D9/06
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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