Title:
杭打機
Document Type and Number:
Japanese Patent JP4648339
Kind Code:
B2
Inventors:
Yamashita
Takaaki Isogai
Takaaki Isogai
Application Number:
JP2007019465A
Publication Date:
March 09, 2011
Filing Date:
January 30, 2007
Export Citation:
Assignee:
Nippon Vehicle Manufacturing Co., Ltd.
International Classes:
E02D7/16; E21B15/00
Domestic Patent References:
| JP2006219916A | ||||
| JP2003184085A |
Attorney, Agent or Firm:
Patent Service Corporation Shinmei Century