Document Type and Number:
Japanese Patent JPS57113558
Kind Code:
U
Application Number:
JP18764680U
Publication Date:
July 14, 1982
Filing Date:
December 30, 1980
Export Citation:
International Classes:
H04M1/02; H04M1/11; (IPC1-7): H04M1/02; H04M1/11
Domestic Patent References:
| JPS5216058A | 1977-02-07 | |||
| JPS53128606A | 1978-11-09 |