Title:
【考案の名称】多芯筆記具におけるシャ-プペンシル体の鉛芯繰り出し機構
Document Type and Number:
Japanese Patent JP2605537
Kind Code:
Y2
Inventors:
Keizo Umezawa
Application Number:
JP6252093U
Publication Date:
July 24, 2000
Filing Date:
October 26, 1993
Export Citation:
Assignee:
Pilot Co., Ltd.
International Classes:
B43K24/18; (IPC1-7): B43K24/18
Domestic Patent References:
| JP379993U | ||||
| JP5585884U | ||||
| JP528687U |