Title:
【考案の名称】背筋疲労を軽減させる椅子
Document Type and Number:
Japanese Patent JP3061847
Kind Code:
U
Inventors:
Yoshiyasu Matsudaira
Application Number:
JP891798U
Publication Date:
September 24, 1999
Filing Date:
October 07, 1998
Export Citation:
Assignee:
Yoshiyasu Matsudaira
International Classes:
(IPC1-7): A47C7/62; A47C7/46; A47C7/54
Attorney, Agent or Firm:
Ikuo Kobayashi