Title:
土砂採取器及び土砂採取工法
Document Type and Number:
Japanese Patent JP3983345
Kind Code:
B2
Inventors:
Katsuta power
Application Number:
JP17614097A
Publication Date:
September 26, 2007
Filing Date:
July 01, 1997
Export Citation:
Assignee:
Capty Co., Ltd.
International Classes:
E21B25/00; E21D1/04; E02D1/08; G01N1/08
Domestic Patent References:
| JP3244788A |
Attorney, Agent or Firm:
Shogo Otake