Title:
開口を有するコンクリート梁の補強構造、開口を有するコンクリート梁の製造方法、梁構造、開口を有するコンクリート梁の開口補強用鋼管
Document Type and Number:
Japanese Patent JP5012039
Kind Code:
B2
Inventors:
Hidekatsu Asai
Kazuaki Tsuda
Kenji Yonezawa
Kazuaki Tsuda
Kenji Yonezawa
Application Number:
JP2007010800A
Publication Date:
August 29, 2012
Filing Date:
January 19, 2007
Export Citation:
Assignee:
Obayashi Corporation
International Classes:
E04C5/02
Domestic Patent References:
| JP6193196A | ||||
| JP1203538A | ||||
| JP6026199A | ||||
| JP9105226A | ||||
| JP2001081904A | ||||
| JP57063821U |
Attorney, Agent or Firm:
Isshiki International Patent Service Corporation