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发明名称
FORCE-FEEDING OF CASING IN SHAFT CONSTRUCTION WITHOUT DISCHARGING SOIL AND DEVICE FOR THE SAME
摘要
申请公布号
JPH10148080(A)
申请公布日期
1998.06.02
申请号
JP19960309267
申请日期
1996.11.20
申请人
MORIMOTOGUMI:KK;YAHAGI KENSETSU KOGYO KK;CHIKEN KOGYO KK;HAMAGUCHIGUMI:KK;SANWA KIZAI CO LTD
发明人
AOKI KENICHI;OCHIAI TATSUMI;MIYAJI TOSHIO;HAMAGUCHI KENICHI;TORIKAI MITSUTOSHI
分类号
E21B7/18;E21B7/20;E21D1/03;(IPC1-7):E21B7/20
主分类号
E21B7/18
代理机构
代理人
主权项
地址
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