Document Type and Number:
Japanese Patent JPS57188303
Kind Code:
U
Application Number:
JP7686181U
Publication Date:
November 30, 1982
Filing Date:
May 27, 1981
Export Citation:
International Classes:
H01F5/02; H01F7/06; (IPC1-7): H01F5/02; H01F7/06
Domestic Patent References:
| JP51117144B | ||||
| JPS4119946Y1 |