Document Type and Number:
Japanese Patent JPH03105086
Kind Code:
U
Application Number:
JP1384390U
Publication Date:
October 31, 1991
Filing Date:
February 14, 1990
Export Citation:
International Classes:
H04Q1/14; (IPC1-7): H04Q1/14
Domestic Patent References:
| JPS54157292A | 1979-12-12 | |||
| JP57157176B |