Document Type and Number:
Japanese Patent JPS5746891
Kind Code:
U
Application Number:
JP12415380U
Publication Date:
March 16, 1982
Filing Date:
September 01, 1980
Export Citation:
International Classes:
G04G21/00; G04G99/00; H01H17/24; (IPC1-7): G04G1/00; H01H17/24
Domestic Patent References:
JPS50120668A | 1975-09-22 | |||
JP49124570B | ||||
JPS5068366A | 1975-06-07 | |||
JP49052574B | ||||
JP54078569B | ||||
JPS258720Y1 | ||||
JPS50147371A | 1975-11-26 |