Title:
【考案の名称】両面ボタン
Document Type and Number:
Japanese Patent JPS58137307
Kind Code:
U
Inventors:
Maeda Takeshi
Application Number:
JP3551782U
Publication Date:
September 16, 1983
Filing Date:
March 13, 1982
Export Citation:
International Classes:
A44B1/08; A44B1/00; A44B1/04; A44B1/06; A44B1/18; (IPC1-7): A44B1/06; A44B1/08