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发明名称
COVERING CONSTRUCTION OF TUNNEL
摘要
申请公布号
JPS62121300(A)
申请公布日期
1987.06.02
申请号
JP19850261893
申请日期
1985.11.21
申请人
MITSUI CONSTR CO LTD
发明人
HONDA MASATO;KANEKO HARUO
分类号
E21D9/06;E21D11/10
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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