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发明名称
SHIELD TUNNELING METHOD AND SHIELD EXCAVATOR
摘要
申请公布号
JPH10306683(A)
申请公布日期
1998.11.17
申请号
JP19970112851
申请日期
1997.04.30
申请人
HITACHI CONSTR MACH CO LTD
发明人
TAKEUCHI HIROKI
分类号
E21D9/06;(IPC1-7):E21D9/06
主分类号
E21D9/06
代理机构
代理人
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