Title:
ホールカッター
Document Type and Number:
Japanese Patent JP4851868
Kind Code:
B2
Inventors:
Ryoki Kiyota
Application Number:
JP2006183297A
Publication Date:
January 11, 2012
Filing Date:
July 03, 2006
Export Citation:
Assignee:
Ryoki Kiyota
International Classes:
E21B3/02; A63B57/40; E02F3/06; E21B10/48; A63B102/32
Domestic Patent References:
| JP4001290U | ||||
| JP62143790U | ||||
| JP3011468U | ||||
| JP5044160U |
Attorney, Agent or Firm:
Nobuyuki Fujii
Nobutaka Fujii
Shigeo Fujii
Nobutaka Fujii
Shigeo Fujii