Document Type and Number:
Japanese Patent JPS63200988
Kind Code:
U
Application Number:
JP9165587U
Publication Date:
December 23, 1988
Filing Date:
June 15, 1987
Export Citation:
International Classes:
H04R1/10; (IPC1-7): H04R1/10
Domestic Patent References:
| JPS5714590B2 | 1982-03-25 | |||
| JPS61397B2 | 1986-01-08 |