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发明名称
DRILLING METHOD AND DEVICE CORRECTING BENT HOLE
摘要
申请公布号
JPH10140958(A)
申请公布日期
1998.05.26
申请号
JP19960318559
申请日期
1996.11.15
申请人
TAISEI CORP;SANSHIN KENSETSU KOGYO KK
发明人
SUGAWARA YOSHINOBU;SASAKI MANABU;ITO KENICHI;KIKUOKA MASAHIRO;CHISAKA TAKAO
分类号
E21B7/00;E21B7/10;(IPC1-7):E21B7/00
主分类号
E21B7/00
代理机构
代理人
主权项
地址
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