Document Type and Number:
Japanese Patent JPS5359417
Kind Code:
U
Application Number:
JP14152576U
Publication Date:
May 20, 1978
Filing Date:
October 21, 1976
Export Citation:
International Classes:
H04R21/00; H04M1/03; H04R21/02; (IPC1-7): H04R21/02; H04M1/03
Domestic Patent References:
| JPS314506Y1 |