Title:
圃場用地下水位調節機能付水閘
Document Type and Number:
Japanese Patent JP4579031
Kind Code:
B2
Inventors:
Miyajima Masaaki
Application Number:
JP2005098868A
Publication Date:
November 10, 2010
Filing Date:
March 30, 2005
Export Citation:
Assignee:
Miyajima Masaaki
International Classes:
A01G25/00; E02B11/00
Domestic Patent References:
| JP2003111526A | ||||
| JP5741931U | ||||
| JP5524397U | ||||
| JP1118596A | ||||
| JP3009300U | ||||
| JP2003284439A |
Attorney, Agent or Firm:
Tsuyoshi Yoshii
Masae Yoshii
Masae Yoshii