Title:
水中掘削装置
Document Type and Number:
Japanese Patent JP4431702
Kind Code:
B2
Inventors:
Kawaguchi Eijiro
Application Number:
JP27462599A
Publication Date:
March 17, 2010
Filing Date:
September 28, 1999
Export Citation:
Assignee:
Nishitetsu Techno Service Co., Ltd.
International Classes:
E02F3/92
Domestic Patent References:
| JP53166101U | ||||
| JP2210123A | ||||
| JP58176162U | ||||
| JP2000087389A | ||||
| JP9032033A | ||||
| JP40009237Y1 | ||||
| JP64005958U |
Attorney, Agent or Firm:
Kenichiro Matsuo
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