Title:
井戸暗渠及びその施行方法
Document Type and Number:
Japanese Patent JP4623473
Kind Code:
B2
Inventors:
Igawa Hideo
Yoshiki Ikawa
Yoshiki Ikawa
Application Number:
JP2007325605A
Publication Date:
February 02, 2011
Filing Date:
December 18, 2007
Export Citation:
Assignee:
Yoshiki Ikawa
International Classes:
E02B11/00
Domestic Patent References:
| JP53021834A | ||||
| JP48020062U | ||||
| JP55067227U | ||||
| JP54078811A | ||||
| JP32006182B1 | ||||
| JP57205611A | ||||
| JP61076827U | ||||
| JP10292356A | ||||
| JP55076228U | ||||
| JP50011526Y1 | ||||
| JP2001049646A | ||||
| JP4033727U |
Attorney, Agent or Firm:
Sonobe Takeo