Title:
昇降黒板の振れ止め装置
Document Type and Number:
Japanese Patent JP5922476
Kind Code:
B2
Inventors:
Koji Aoi
Ryuichi Kurahashi
Akiyoshi Ito
Ryuichi Kurahashi
Akiyoshi Ito
Application Number:
JP2012097684A
Publication Date:
May 24, 2016
Filing Date:
April 23, 2012
Export Citation:
Assignee:
Aoi Blackboard Manufacturing Co., Ltd.
International Classes:
A47B97/04; A47B97/06; B43L1/04
Domestic Patent References:
| JP37016720Y1 | ||||
| JP59176595U | ||||
| JP3172931U | ||||
| JP60070347U |
Attorney, Agent or Firm:
Hiroshi Masaki
Yuko Mikami
Tadashi Fujikawa
Yuko Mikami
Tadashi Fujikawa