Title:
拡底バケット
Document Type and Number:
Japanese Patent JP4699304
Kind Code:
B2
More Like This:
Inventors:
Yutaka Kubo
Application Number:
JP2006185902A
Publication Date:
June 08, 2011
Filing Date:
July 05, 2006
Export Citation:
Assignee:
System Measurement Co., Ltd.
International Classes:
E21B11/00
Domestic Patent References:
| JP2001164867A | ||||
| JP63055215A |
Attorney, Agent or Firm:
Tamio Nishiwaki