Document Type and Number:
Japanese Patent JPS5595391
Kind Code:
U
Application Number:
JP18369779U
Publication Date:
July 02, 1980
Filing Date:
December 26, 1979
Export Citation:
International Classes:
H04Q9/00; (IPC1-7): H04Q9/00
Domestic Patent References:
| JPS4818150U | 1973-03-01 | |||
| JP45021323A |