Document Type and Number:
Japanese Patent JPS5160232
Kind Code:
U
Application Number:
JP13386274U
Publication Date:
May 12, 1976
Filing Date:
November 05, 1974
Export Citation:
International Classes:
H04R1/02; (IPC1-7): H04R1/02
Domestic Patent References:
| JPS4034646Y1 | ||||
| JPS42330Y1 | 1967-01-11 |