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经营范围
发明名称
TUNNEL DRILLING MACHINE
摘要
申请公布号
JPS6023598(A)
申请公布日期
1985.02.06
申请号
JP19830130252
申请日期
1983.07.19
申请人
HITACHI KENKI KK
发明人
TSUCHIYA KIYOSHI;SUDA MASAO;NAGANO YOSHIYA
分类号
E21D9/12;E02F7/10
主分类号
E21D9/12
代理机构
代理人
主权项
地址
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