Title:
【考案の名称】ペン先
Document Type and Number:
Japanese Patent JPS5850972
Kind Code:
U
Inventors:
Fukuoka Koyo
Application Number:
JP14742281U
Publication Date:
April 06, 1983
Filing Date:
October 02, 1981
Export Citation:
International Classes:
B43K1/00; (IPC1-7): B43K1/00
Domestic Patent References:
| JPS5463924A | 1979-05-23 | |||
| JPS4217626Y1 | 1967-10-12 | |||
| JPS52110124A | 1977-09-16 |