Document Type and Number:
Japanese Patent JPS5455327
Kind Code:
U
Application Number:
JP12882077U
Publication Date:
April 17, 1979
Filing Date:
September 27, 1977
Export Citation:
International Classes:
H04B1/08; H04R1/02; (IPC1-7): H04R1/02; H04B1/08
Domestic Patent References:
| JPS4987336U | 1974-07-29 | |||
| JPS5228518U | 1977-02-28 |