Document Type and Number:
Japanese Patent JPS5328716
Kind Code:
U
Application Number:
JP11049476U
Publication Date:
March 11, 1978
Filing Date:
August 18, 1976
Export Citation:
International Classes:
H04R9/00; H04R1/24; H04R3/04; H04R9/06; H04R13/00; (IPC1-7): H04R3/04; H04R1/24; H04R9/06; H04R13/00
Domestic Patent References:
| JPS5312319A | 1978-02-03 |