Title:
土砂掘削吸引装置
Document Type and Number:
Japanese Patent JP3996089
Kind Code:
B2
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Inventors:
Hiromichi Maekawa
St. Sano
Mountain Saki Ryoji
Eiiti Wada
St. Sano
Mountain Saki Ryoji
Eiiti Wada
Application Number:
JP2003123937A
Publication Date:
October 24, 2007
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
Domestic Patent References:
| JP5156884A | ||||
| JP5039697A | ||||
| JP3129085A | ||||
| JP3110289A | ||||
| JP2002276274A | ||||
| JP2000017649A |
Attorney, Agent or Firm:
Nobuo Kinutani