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发明名称
CONSTRUCTION METHOD FOR LARGE CAVITY SECTION AT ULTRA-DEEP UNDERGROUND
摘要
申请公布号
JPH02101290(A)
申请公布日期
1990.04.13
申请号
JP19880250902
申请日期
1988.10.06
申请人
MITSUI CONSTR CO LTD
发明人
INOUE KAZUTOSHI
分类号
E21D1/03;E21D1/06
主分类号
E21D1/03
代理机构
代理人
主权项
地址
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