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经营范围
发明名称
METHOD OF MOVING AN UNDERGROUND STRUCTURE IN SOIL BODY
摘要
申请公布号
SU819266(A1)
申请公布日期
1981.04.09
申请号
SU19741991133
申请日期
1974.01.28
申请人
TREST "LENORGINZHSTROJ"
发明人
NADTOCHIJ SERGEJ S,SU
分类号
E21D9/04;E02D23/14;E02F5/10;E21D9/00;(IPC1-7):E02D23/14
主分类号
E21D9/04
代理机构
代理人
主权项
地址
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