Document Type and Number:
Japanese Patent JPS5437132
Kind Code:
U
Application Number:
JP11020977U
Publication Date:
March 10, 1979
Filing Date:
August 18, 1977
Export Citation:
International Classes:
H04R1/10; H01H13/12; H01H13/18; H01H13/20; H04B1/08; H04B1/16; (IPC1-7): H04R1/10; H01H13/20; H04B1/16
Domestic Patent References:
| JP46012801A | ||||
| JPS5140119A | 1976-04-03 |