Document Type and Number:
Japanese Patent JPS51121052
Kind Code:
U
Application Number:
JP3801875U
Publication Date:
October 01, 1976
Filing Date:
March 20, 1975
Export Citation:
International Classes:
H04R9/02; H04R1/10; H04R9/10; (IPC1-7): H04R9/10
Domestic Patent References:
| JPS53204B2 | 1978-01-06 |