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发明名称
HEXAGONAL CONCRETE SEGMENT IN CURVILINEAR PART OF TUNNEL
摘要
申请公布号
JPH0598895(A)
申请公布日期
1993.04.20
申请号
JP19910260858
申请日期
1991.10.08
申请人
ISHIKAWAJIMA CONSTR MATERIALS CO LTD;OKUMURA CORP
发明人
ARAKAWA KENJI;OKUNO SABURO;SOMEYA HIROKI;ASANO HIROSUKE
分类号
E21D11/08
主分类号
E21D11/08
代理机构
代理人
主权项
地址
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