Title:
【考案の名称】シヤ-プペンシル
Document Type and Number:
Japanese Patent JPS5831190
Kind Code:
U
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| JP2003001991 | MECHANICAL PENCIL |
Inventors:
Goji Sakaoka
Application Number:
JP12640181U
Publication Date:
March 01, 1983
Filing Date:
August 26, 1981
Export Citation:
International Classes:
B43K21/027; B43K21/16; B43K21/22; (IPC1-7): B43K21/16