Title:
管路内走行装置
Document Type and Number:
Japanese Patent JP4677048
Kind Code:
B1
Inventors:
Koichi Harada
Application Number:
JP2010112970A
Publication Date:
April 27, 2011
Filing Date:
May 17, 2010
Export Citation:
Assignee:
Koichi Harada
International Classes:
B62D55/20; B60P3/00; B60P3/14; B62D57/024; E03F9/00
Domestic Patent References:
| JP4030091U | ||||
| JP3253604A | ||||
| JP3089988A | ||||
| JP1056940B2 | ||||
| JP2120171A | ||||
| JP47011031U |
Foreign References:
| WO2008132778A1 |
Attorney, Agent or Firm:
Shoshiro Toshima