Title:
トンネル用鉄系セグメントの主桁部分補強構造
Document Type and Number:
Japanese Patent JP4332058
Kind Code:
B2
Inventors:
Munehiro Ishida
Hiroaki Nakayama
Masato Miyake
Hiroaki Nakayama
Masato Miyake
Application Number:
JP2004112345A
Publication Date:
September 16, 2009
Filing Date:
April 06, 2004
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
E21D11/14
Domestic Patent References:
| JP2078698U | ||||
| JP60246999A | ||||
| JP2003027894A | ||||
| JP5027200U | ||||
| JP11061861A |
Attorney, Agent or Firm:
Nobuyuki Hayashi