Title:
【考案の名称】電話機用ダイヤル構造
Document Type and Number:
Japanese Patent JPS5854162
Kind Code:
U
Inventors:
Yukihiko Miyamoto
Application Number:
JP14747781U
Publication Date:
April 13, 1983
Filing Date:
October 02, 1981
Export Citation:
International Classes:
H04M1/23; H04M1/31; (IPC1-7): H04M1/31
Domestic Patent References:
| JPS419048Y1 | 1966-04-30 | |||
| JPS5022188U | 1975-03-12 | |||
| JPS5542004U | 1980-03-18 |