Document Type and Number:
Japanese Patent JPS6429985
Kind Code:
U
Application Number:
JP12486887U
Publication Date:
February 22, 1989
Filing Date:
August 17, 1987
Export Citation:
International Classes:
H04R1/30; (IPC1-7): H04R1/30
Domestic Patent References:
| JPS6052638A | 1985-03-25 |