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发明名称
HOLE EXCAVATION METHOD IN PRE-LINING CONSTRUCTION AND PRE-LINING MACHINE
摘要
申请公布号
JPH08326470(A)
申请公布日期
1996.12.10
申请号
JP19950158479
申请日期
1995.05.31
申请人
FUJITA CORP
发明人
MIMURA YOICHI
分类号
E21D9/04;(IPC1-7):E21D9/04
主分类号
E21D9/04
代理机构
代理人
主权项
地址
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