Title:
掘削ずり・濁水の集積装置及びこれを用いた掘削ずり・濁水の移送方法
Document Type and Number:
Japanese Patent JP5850421
Kind Code:
B2
Inventors:
Kosuke Yokoyama
Application Number:
JP2011130754A
Publication Date:
February 03, 2016
Filing Date:
June 11, 2011
Export Citation:
Assignee:
Yokoyama foundation work
International Classes:
E21B21/06
Domestic Patent References:
| JP9112177A | ||||
| JP4648998B2 | ||||
| JP57010309A | ||||
| JP11350529A | ||||
| JP11131983A |
Attorney, Agent or Firm:
Tomita clause
Tomita Soul
Tomita Soul