Document Type and Number:
Japanese Patent JPS4918653
Kind Code:
Y1
Application Number:
JP280569U
Publication Date:
May 18, 1974
Filing Date:
January 13, 1969
Export Citation:
International Classes:
H01F27/28; H01F27/08; H01F27/30; (IPC1-7): H01F27/28; H01F27/08; H01F27/30