Document Type and Number:
Japanese Patent JPS56128797
Kind Code:
U
Application Number:
JP2660380U
Publication Date:
September 30, 1981
Filing Date:
March 01, 1980
Export Citation:
International Classes:
H04R9/12; H04R11/08; (IPC1-7): H04R11/08; H04R9/12
Domestic Patent References:
| JPS53148402A | 1978-12-25 |