Document Type and Number:
Japanese Patent JPS5518985
Kind Code:
Y2
Application Number:
JP13076375U
Publication Date:
May 06, 1980
Filing Date:
September 23, 1975
Export Citation:
International Classes:
H01F5/04; H01F37/00; H01F38/08; (IPC1-7): H01F37/00; H01F15/10; H01F31/06