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发明名称
PRESTRESSED ENGINEERING METHOD OF TUNNEL CONSTRUCTION
摘要
申请公布号
JPS5824098(A)
申请公布日期
1983.02.12
申请号
JP19810121430
申请日期
1981.08.04
申请人
HAZAMAGUMI:KK
发明人
OZAWA TOSHIAKI;IIJIMA HIDEO
分类号
E21D11/00;E21D11/10
主分类号
E21D11/00
代理机构
代理人
主权项
地址
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