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发明名称
TUNNEL EXCAVATOR
摘要
申请公布号
JPH04347298(A)
申请公布日期
1992.12.02
申请号
JP19910149936
申请日期
1991.05.24
申请人
MITSUI CONSTR CO LTD
发明人
MATSUSHITA KIYOSHI;USUI TATSUO;NAKAI SAKAE
分类号
E21D9/06;E21D9/08
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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