Title:
地質ボーリング調査における試料採取装置
Document Type and Number:
Japanese Patent JP4426688
Kind Code:
B2
Inventors:
Suzuki Yuji
Application Number:
JP2000047419A
Publication Date:
March 03, 2010
Filing Date:
February 24, 2000
Export Citation:
Assignee:
Ubilon Fact Co., Ltd.
International Classes:
E21B25/00; E02D1/04; G01N1/08; G01N33/24
Domestic Patent References:
| JP63091586U | ||||
| JP63091587U | ||||
| JP2001090469A | ||||
| JP2001090470A |
Attorney, Agent or Firm:
Tadashi Fujikawa