Document Type and Number:
Japanese Patent JPS57117811
Kind Code:
U
Application Number:
JP286081U
Publication Date:
July 21, 1982
Filing Date:
January 14, 1981
Export Citation:
International Classes:
H01Q9/06; H01Q11/16; (IPC1-7): H01Q9/06
Domestic Patent References:
| JPS5020156U | 1975-03-07 |