Title:
【発明の名称】シールド掘削機及びその方向制御方法
Document Type and Number:
Japanese Patent JP2960996
Kind Code:
B2
Inventors:
NISHITAKE SHIGERU
TANAKA JUNICHI
OOISHI YOSHIHIRO
TANAKA JUNICHI
OOISHI YOSHIHIRO
Application Number:
JP21902691A
Publication Date:
October 12, 1999
Filing Date:
August 29, 1991
Export Citation:
Assignee:
MITSUBISHI JUKOGYO KK
International Classes:
E21D9/093; E21D9/06; (IPC1-7): E21D9/06
Attorney, Agent or Firm:
Toshiro Mitsuishi (1 person outside)