Title:
既設管人孔接続部の耐震化工法
Document Type and Number:
Japanese Patent JP4881845
Kind Code:
B2
Inventors:
Now Saki Yuji
Skillful entry and exit
Saburo Koiwa
Skillful entry and exit
Saburo Koiwa
Application Number:
JP2007316171A
Publication Date:
February 22, 2012
Filing Date:
December 06, 2007
Export Citation:
Assignee:
Tokyo Metropolitan Sewerage Service Co., Ltd.
Mesic Co., Ltd.
Mesic Co., Ltd.
International Classes:
E02D29/12; E02D31/08; E03F5/02
Domestic Patent References:
| JP2003074114A |
Attorney, Agent or Firm:
Akihiro Otsuka