Title:
深井戸管内の洗浄装置
Document Type and Number:
Japanese Patent JP6383332
Kind Code:
B2
Inventors:
Kazuo Suzuki
Kenji Suzuki
Kenji Suzuki
Application Number:
JP2015143743A
Publication Date:
August 29, 2018
Filing Date:
July 21, 2015
Export Citation:
Assignee:
veema corporation
International Classes:
B08B9/043; B08B9/032; E21B31/03
Domestic Patent References:
| JP2011062585A | ||||
| JP2011143393A | ||||
| JP2015123425A |
Foreign References:
| US20040194809 |
Attorney, Agent or Firm:
Hikoji Hirasaki