Title:
【考案の名称】筆記具の出没機構
Document Type and Number:
Japanese Patent JP2607451
Kind Code:
Y2
Inventors:
Ryoji Matsumaru
Application Number:
JP8400492U
Publication Date:
September 04, 2001
Filing Date:
November 12, 1992
Export Citation:
Assignee:
Tombow Pencil Co., Ltd.
International Classes:
B43K24/08; (IPC1-7): B43K24/08
Domestic Patent References:
| JP63141788U |
Attorney, Agent or Firm:
Masahiko Yuasa