Document Type and Number:
Japanese Patent JPS5591132
Kind Code:
U
Application Number:
JP17644778U
Publication Date:
June 24, 1980
Filing Date:
December 20, 1978
Export Citation:
International Classes:
H01F27/02; H01F27/04; H01F29/04; (IPC1-7): H01F29/04; H01F27/04