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Title:
【発明の名称】杭の施工法および装置
Document Type and Number:
Japanese Patent JP2691514
Kind Code:
B2
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Inventors:
Yoshihiko Kawai
Application Number:
JP25210894A
Publication Date:
December 17, 1997
Filing Date:
October 18, 1994
Export Citation:
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Assignee:
Yoshihiko Kawai
Suntech Co., Ltd.
International Classes:
E21B7/00; E02D5/44; E02D5/46; E02D7/00; E21B7/20; (IPC1-7): E02D5/46; E21B7/00
Domestic Patent References:
JP254019A
JP51154901U
JP371044Y1
Attorney, Agent or Firm:
Kubo Tsukasa



 
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