Document Type and Number:
Japanese Patent JPS5052924
Kind Code:
U
More Like This:
Application Number:
JP5562674U
Publication Date:
May 21, 1975
Filing Date:
May 17, 1974
Export Citation:
International Classes:
H04R1/10; (IPC1-7): H04R1/10
Domestic Patent References:
| JPS4910819U | 1974-01-29 | |||
| JPS4827836U | 1973-04-04 |