Document Type and Number:
Japanese Patent JPH02138412
Kind Code:
U
Application Number:
JP4724489U
Publication Date:
November 19, 1990
Filing Date:
April 21, 1989
Export Citation:
International Classes:
H01G2/04; H01G4/228; (IPC1-7): H01G1/03; H01G1/14
Domestic Patent References:
| JPS5550993U | 1980-04-03 | |||
| JPS55122334U | 1980-08-30 |