Title:
深井戸管内の洗浄方法及び洗浄装置
Document Type and Number:
Japanese Patent JP5063228
Kind Code:
B2
Inventors:
Kazuo Suzuki
Application Number:
JP2007180488A
Publication Date:
October 31, 2012
Filing Date:
July 10, 2007
Export Citation:
Assignee:
veema corporation
International Classes:
B08B9/032; E21B31/03
Domestic Patent References:
| JP2002192094A | ||||
| JP58006764U | ||||
| JP9290226A | ||||
| JP58078190U |
Attorney, Agent or Firm:
Hikoji Hirasaki