Title:
ビット付きロッド
Document Type and Number:
Japanese Patent JP4470055
Kind Code:
B2
Inventors:
Koichi Ochiai
Application Number:
JP2004045549A
Publication Date:
June 02, 2010
Filing Date:
February 23, 2004
Export Citation:
Assignee:
Limited company dragonfly studio
International Classes:
E21B17/04
Domestic Patent References:
| JP4022588U | ||||
| JP2002322646A | ||||
| JP59005696U |