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经营范围
发明名称
METHOD OF CONSTRUCTING BRANCH-OFF AREAS OF TUNNELS
摘要
申请公布号
SU1339193(A1)
申请公布日期
1987.09.23
申请号
SU19864067699
申请日期
1986.04.07
申请人
SREDNEAZIATSKOE OTDEL V PROEKTNO-IZYSKATELSKOGO NII "GIDROPROEKT" IM.S.YA.ZHUKA
发明人
ILYUSHIN VIKTOR F,SU
分类号
E02B9/06
主分类号
E02B9/06
代理机构
代理人
主权项
地址
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