Title:
暗渠排水敷設装置
Document Type and Number:
Japanese Patent JP3554731
Kind Code:
B2
Inventors:
Shoichi Nishikawa
Application Number:
JP2002297096A
Publication Date:
August 18, 2004
Filing Date:
October 10, 2002
Export Citation:
Assignee:
Nan Haibara Development Co., Ltd.
International Classes:
A01G7/00; E02B11/02; (IPC1-7): E02B11/02
Domestic Patent References:
| JP5045203B2 | ||||
| JP10037168A | ||||
| JP2001061319A | ||||
| JP2000217433A | ||||
| JP3247892B2 | ||||
| JP6138983Y2 |
Attorney, Agent or Firm:
Shizutomi Kato
Ichiro Irie
Juichi Nosue
Ichiro Irie
Juichi Nosue