Title:
杭施工機
Document Type and Number:
Japanese Patent JP4604061
Kind Code:
B2
Inventors:
Yuji Sano
Wataru Masuyama
Wataru Masuyama
Application Number:
JP2007143140A
Publication Date:
December 22, 2010
Filing Date:
May 30, 2007
Export Citation:
Assignee:
ACC Corporation
Shirota Co., Ltd.
Shirota Co., Ltd.
International Classes:
E21B3/02; E02D7/22; E02D13/06
Domestic Patent References:
| JP2003278470A | ||||
| JP11336456A | ||||
| JP11311080A | ||||
| JP2000073680A | ||||
| JP57123890U | ||||
| JP3129986B2 |
Attorney, Agent or Firm:
Yusuke Hiraki
Sekiya Mitsuo
Yasushi Hayakawa
Ishikawa Takiharu
Sekiya Mitsuo
Yasushi Hayakawa
Ishikawa Takiharu