Title:
バケット式削孔装置および鋼管杭形成装置
Document Type and Number:
Japanese Patent JP4057459
Kind Code:
B2
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Inventors:
Shimai Moriyuki
Application Number:
JP2003113142A
Publication Date:
March 05, 2008
Filing Date:
April 17, 2003
Export Citation:
Assignee:
Kashima Construction Co., Ltd.
International Classes:
E21B11/00; E02D7/00; E02D7/22; E21B7/20
Domestic Patent References:
JP5059879A | ||||
JP11131961A | ||||
JP44013638Y1 | ||||
JP2000356089A | ||||
JP62170614A | ||||
JP7026868A | ||||
JP1180586U | ||||
JP8001470U | ||||
JP52075808A |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Shiro Terasaki
Tomoya Kurokawa
Hikaru Suzuki
Shiro Terasaki
Tomoya Kurokawa
Hikaru Suzuki