Title:
トンネル間仕切り装置
Document Type and Number:
Japanese Patent JP4037301
Kind Code:
B2
Inventors:
Ken Sonoda
Tomoyuki Nagayama
Toshiaki Ono
Toshio Abe
Tomoyuki Nagayama
Toshiaki Ono
Toshio Abe
Application Number:
JP2003084402A
Publication Date:
January 23, 2008
Filing Date:
March 26, 2003
Export Citation:
Assignee:
Nishimatsu Construction Co., Ltd.
International Classes:
E21D11/10; E21F17/00
Domestic Patent References:
| JP5280298A | ||||
| JP3075320U | ||||
| JP3033931U | ||||
| JP10280891A | ||||
| JP5231100A | ||||
| JP62284900A |
Attorney, Agent or Firm:
Hiroshi Arafune
Yoshio Arafune
Yoshio Arafune