Title:
【考案の名称】筆記具
Document Type and Number:
Japanese Patent JPS5812492
Kind Code:
U
Inventors:
Yamamoto Ken
Application Number:
JP10649081U
Publication Date:
January 26, 1983
Filing Date:
July 17, 1981
Export Citation:
International Classes:
B43K23/08; B43K21/00; B43K21/16; (IPC1-7): B43K21/16; B43K9/00