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经营范围
发明名称
TIMBERING STRUCTURE UNIT, TIMBERING STRUCTURE, AND PRIMARY LINING METHOD FOR TUNNEL PIT WALL
摘要
申请公布号
JPH0921297(A)
申请公布日期
1997.01.21
申请号
JP19950172536
申请日期
1995.07.07
申请人
KOMATSU LTD
发明人
MINAMI YOSHITO;MORIOKA KYOICHI
分类号
E21D11/14;(IPC1-7):E21D11/14
主分类号
E21D11/14
代理机构
代理人
主权项
地址
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