Title:
【発明の名称】シールド掘進機
Document Type and Number:
Japanese Patent JP2865510
Kind Code:
B2
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Inventors:
YOSHIKAWA TADAO
Application Number:
JP3380793A
Publication Date:
March 08, 1999
Filing Date:
February 24, 1993
Export Citation:
Assignee:
HITACHI ZOSEN KK
International Classes:
E21D9/087; E21D9/08; (IPC1-7): E21D9/08
Domestic Patent References:
| JP4281997A |
Attorney, Agent or Firm:
Yoshihiro Morimoto