Title:
【考案の名称】穿孔機の油圧ポンプ制御装置
Document Type and Number:
Japanese Patent JPH0547087
Kind Code:
U
Inventors:
Hiroshi Shiba
Shunji Sakai
Shunji Sakai
Application Number:
JP7475591U
Publication Date:
June 22, 1993
Filing Date:
August 23, 1991
Export Citation:
Assignee:
KOMATSU LTD.
International Classes:
E21B6/00; F15B11/00; (IPC1-7): E21B6/00; F15B11/00
Attorney, Agent or Firm:
Yoshihiko Hashizume
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