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发明名称
EARTH PRESSURE SYSTEM SHIELD EXCAVATING METHOD
摘要
申请公布号
JPS6417991(A)
申请公布日期
1989.01.20
申请号
JP19870173678
申请日期
1987.07.10
申请人
KIDO KENSETSU KOGYO KK
发明人
KIMURA NOBUHIKO
分类号
E21D9/06
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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