Document Type and Number:
Japanese Patent JPS51127728
Kind Code:
U
Application Number:
JP4852575U
Publication Date:
October 15, 1976
Filing Date:
April 10, 1975
Export Citation:
International Classes:
H04R1/00; H04R1/02; (IPC1-7): H04R1/02
Domestic Patent References:
| JP8015802U | ||||
| JPS4427418Y1 | 1969-11-15 |