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经营范围
发明名称
TUNNELBOORMACHINE.
摘要
申请公布号
NL7711197(A)
申请公布日期
1978.04.17
申请号
NL19770011197
申请日期
1977.10.12
申请人
HITACHI CONSTRUCTION MACHINERY CO., LTD. TE TOKIO.
发明人
分类号
E21D9/06;A63B53/00;A63B53/12;E21D9/00;E21D9/04;E21D9/087;E21D9/093;E21D9/12;(IPC1-7):E21D9/00
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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