Title:
土壌サンプリング方法
Document Type and Number:
Japanese Patent JP6580467
Kind Code:
B2
Inventors:
Hiroshi Oshima
Akira Yamamoto
Inagawa Yunobu
Kenji Nishida
Akira Yamamoto
Inagawa Yunobu
Kenji Nishida
Application Number:
JP2015221416A
Publication Date:
September 25, 2019
Filing Date:
November 11, 2015
Export Citation:
Assignee:
Osaka Waterproof Construction Co., Ltd.
Obayashi Corporation
Obayashi Corporation
International Classes:
E21B49/02; E02D1/04; E21B25/00; G01N1/08
Domestic Patent References:
| JP2011163001A | ||||
| JP48029486A | ||||
| JP5065712A | ||||
| JP59145815A | ||||
| JP11132917A | ||||
| JP2010180581A | ||||
| JP2006283426A | ||||
| JP2014156706A |
Foreign References:
| US6047782 |
Attorney, Agent or Firm:
Patent Business Corporation Saegusa International Patent Office