Title:
工具ガイド機構および深穴明機
Document Type and Number:
Japanese Patent JP4806458
Kind Code:
B2
Inventors:
Nakatomo Tomoki
Application Number:
JP2009137471A
Publication Date:
November 02, 2011
Filing Date:
June 08, 2009
Export Citation:
Assignee:
Kureei Manufacturing Co., Ltd.
International Classes:
E21B7/04; B28D1/14; B28D7/02; E04G23/08; E21B15/04
Domestic Patent References:
| JP2008261203A | ||||
| JP3294144A | ||||
| JP61087093A | ||||
| JP2008126532A | ||||
| JP2009160780A | ||||
| JP2010052215A |
Attorney, Agent or Firm:
Isono Dozo
Etsuo Tada
Etsuo Tada