Title:
ドリルビット
Document Type and Number:
Japanese Patent JP5556172
Kind Code:
B2
Inventors:
Hiroaki Yonekawa
Tokuhide Tao
Kiyoshi Kato
Ken-ichi Kato
Tokuhide Tao
Kiyoshi Kato
Ken-ichi Kato
Application Number:
JP2009299248A
Publication Date:
July 23, 2014
Filing Date:
December 29, 2009
Export Citation:
Assignee:
Hitachi Koki Co., Ltd.
International Classes:
B28D1/14; B23B51/04
Attorney, Agent or Firm:
Deer Shin-ichi Kubo