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发明名称
TUNNEL AND CONSTRUCTING METHOD THEREFOR
摘要
申请公布号
JPH03247896(A)
申请公布日期
1991.11.06
申请号
JP19900043556
申请日期
1990.02.24
申请人
FUKAI ICHIRO;MORIYOSHI AKIHIRO;OKUMURA CORP
发明人
FUKAI ICHIRO;MORIYOSHI AKIHIRO;TAKEUCHI MIKIO;IDOTA YOSHIAKI;ONO KENICHIRO
分类号
E21D11/00
主分类号
E21D11/00
代理机构
代理人
主权项
地址
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