Document Type and Number:
Japanese Patent JPS6397943
Kind Code:
U
Application Number:
JP19138486U
Publication Date:
June 24, 1988
Filing Date:
December 12, 1986
Export Citation:
International Classes:
H04M3/22; H04Q3/08; (IPC1-7): H04M3/22; H04Q3/08
Domestic Patent References:
| JPS5516522A | 1980-02-05 | |||
| JPS5816705A | 1983-01-31 |