Title:
【発明の名称】立坑とシールド掘削機との接続工法
Document Type and Number:
Japanese Patent JP2971311
Kind Code:
B2
Inventors:
SHIOYA NORISATO
GOJO KAZUHIKO
GOJO KAZUHIKO
Application Number:
JP32366493A
Publication Date:
November 02, 1999
Filing Date:
December 22, 1993
Export Citation:
Assignee:
MITSUBISHI JUKOGYO KK
SHIRAISHI KK
SHIRAISHI KK
International Classes:
E21D9/06; (IPC1-7): E21D9/06
Domestic Patent References:
| JP4176991A | ||||
| JP63103196A |
Attorney, Agent or Firm:
Toshiro Mitsuishi (1 person outside)