Title:
【発明の名称】掘削装置
Document Type and Number:
Japanese Patent JP2661634
Kind Code:
B2
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Inventors:
OOSAWA KENJI
IKEDA HACHIRO
SAKATA YUTAKA
SHINNO YOSHIHITO
NOGUCHI SHOKO
ARAI NAOMICHI
MITSUI SHINPEI
TSUDA YASUO
ISHIBASHI SHIGERU
IKEDA HACHIRO
SAKATA YUTAKA
SHINNO YOSHIHITO
NOGUCHI SHOKO
ARAI NAOMICHI
MITSUI SHINPEI
TSUDA YASUO
ISHIBASHI SHIGERU
Application Number:
JP31212892A
Publication Date:
October 08, 1997
Filing Date:
November 20, 1992
Export Citation:
Assignee:
KENSETSUSHO TOHOKU CHIHO KENSETSU KYOKUCHO
SENTAN KENSETSU GIJUTSU SENTAA
KAJIMA KENSETSU KK
FUDO KENSETSU KK
FURUKAWA DORIRU TETSUKU KK
SENTAN KENSETSU GIJUTSU SENTAA
KAJIMA KENSETSU KK
FUDO KENSETSU KK
FURUKAWA DORIRU TETSUKU KK
International Classes:
E21B7/02; E21B15/00; E21B19/08; (IPC1-7): E21C11/00
Attorney, Agent or Firm:
Toshitada Takahashi (2 outside)
Toshitada Takahashi (1 outside)
Toshitada Takahashi (1 outside)