Title:
掘削機並びに掘削システム及び掘削方法
Document Type and Number:
Japanese Patent JP4295737
Kind Code:
B2
Inventors:
Takayoshi Yumi
Noriaki Kimura
Kyoji Doi
Takushi Yoshida
Noriaki Kimura
Kyoji Doi
Takushi Yoshida
Application Number:
JP2005071914A
Publication Date:
July 15, 2009
Filing Date:
March 14, 2005
Export Citation:
Assignee:
Mitsui Shipbuilding Co., Ltd.
International Classes:
E21D9/10; G01C7/06; G01C15/00
Domestic Patent References:
| JP2001289620A | ||||
| JP6317090A | ||||
| JP8262138A |
Attorney, Agent or Firm:
Yuichi Murakami
Okubo Misao
Okubo Misao