Title:
魚道ブロックとそれを用いた魚道構造及び河床構造
Document Type and Number:
Japanese Patent JP4087536
Kind Code:
B2
Inventors:
Takayuki Otsuki
Shuji Nomura
Maeno Shiro
Kimiaki Satomoto
Shuji Nomura
Maeno Shiro
Kimiaki Satomoto
Application Number:
JP26299199A
Publication Date:
May 21, 2008
Filing Date:
September 17, 1999
Export Citation:
Assignee:
Landes Co., Ltd.
International Classes:
E02B8/08
Domestic Patent References:
| JP9279552A | ||||
| JP10025730A | ||||
| JP10298959A |
Attorney, Agent or Firm:
Hirosaburo Mori