Document Type and Number:
Japanese Patent JPS54139223
Kind Code:
U
Application Number:
JP3630078U
Publication Date:
September 27, 1979
Filing Date:
March 22, 1978
Export Citation:
International Classes:
H01F38/28; (IPC1-7): H01F40/06
Domestic Patent References:
JPS4928971U | 1974-03-12 |