Title:
削孔機
Document Type and Number:
Japanese Patent JP4390232
Kind Code:
B2
Inventors:
Kazuo Kiuchi
Nobuhiro Araki
Nobuhiro Araki
Application Number:
JP18944399A
Publication Date:
December 24, 2009
Filing Date:
July 02, 1999
Export Citation:
Assignee:
Okabe Co., Ltd.
International Classes:
E21B7/04; E21B15/04; E21B7/02; E21B15/00; E21B19/08
Domestic Patent References:
| JP9177469A | ||||
| JP51030501A | ||||
| JP62114993U |
Attorney, Agent or Firm:
Eiichi Fukushima