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发明名称
EXCAVATION METHOD OF EARTH PRESSURE SHIELD UTILIZING FRICTIONAL RESISTANCE OF EARTH
摘要
申请公布号
JPS63134790(A)
申请公布日期
1988.06.07
申请号
JP19860283709
申请日期
1986.11.25
申请人
ASANUMAGUMI:KK
发明人
ONUMA TADAYOSHI
分类号
E21D9/06;E21D9/12
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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