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发明名称
METHOD OF CONSTRUCTING A SHALLOW-DEPTH TUNNEL
摘要
申请公布号
SU947293(A1)
申请公布日期
1982.07.30
申请号
SU19803219934
申请日期
1980.12.18
申请人
G PROEKTNO-IZYSKATELSKIJ I "METROGIPROTRANS"
发明人
MAKOVSKIJ ILYA V,SU;KOTOV VLADIMIR V,SU;MAKOVSKIJ LEV V,SU
分类号
E21D9/10;E02D29/00;(IPC1-7):E02D29/00;E21D10/00
主分类号
E21D9/10
代理机构
代理人
主权项
地址
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