Title:
管渠の止水壁装置、仮設水路装置および管渠の止水方法
Document Type and Number:
Japanese Patent JP5519131
Kind Code:
B2
Inventors:
Shimono Masahiro
Application Number:
JP2008187204A
Publication Date:
June 11, 2014
Filing Date:
July 18, 2008
Export Citation:
Assignee:
Ito-Yogyo Co., Ltd.
International Classes:
E03F7/02; F16L55/18
Domestic Patent References:
| JP59006983B2 | ||||
| JP2002228083A | ||||
| JP57171195A | ||||
| JP2004137776A |
Attorney, Agent or Firm:
Patent Business Corporation Suncrest International Patent Office