Title:
土砂掘削吸引装置
Document Type and Number:
Japanese Patent JP4040524
Kind Code:
B2
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Inventors:
Hiromichi Maekawa
St. Sano
Munetaka Tamai
Naoya Hirose
Mountain Saki Ryoji
Eiiti Wada
St. Sano
Munetaka Tamai
Naoya Hirose
Mountain Saki Ryoji
Eiiti Wada
Application Number:
JP2003123935A
Publication Date:
January 30, 2008
Filing Date:
April 28, 2003
Export Citation:
Assignee:
Ihi Co., Ltd.
Kanematsu Engineering Co., Ltd.
Kanematsu Engineering Co., Ltd.
International Classes:
E02F3/88; E21B7/18; E02F7/00; E21B7/00
Domestic Patent References:
| JP5156884A | ||||
| JP57151490U | ||||
| JP9209681A | ||||
| JP9281251A | ||||
| JP63185850U |
Attorney, Agent or Firm:
Nobuo Kinutani