Title:
水準器
Document Type and Number:
Japanese Patent JP4856797
Kind Code:
B2
Inventors:
Kiyoshi Maruyama
Application Number:
JP2011108516A
Publication Date:
January 18, 2012
Filing Date:
May 13, 2011
Export Citation:
Assignee:
Ebisu Co., Ltd.
International Classes:
G01C9/28
Domestic Patent References:
| JP2011038840A | ||||
| JP3112470U | ||||
| JP2001241949A |
Foreign References:
| US4394799 | ||||
| GB2138134A |
Attorney, Agent or Firm:
Tsuyoshi Yoshii
Masae Yoshii
Masae Yoshii