Document Type and Number:
Japanese Patent JPS5240742
Kind Code:
Y2
Application Number:
JP7582773U
Publication Date:
September 14, 1977
Filing Date:
June 25, 1973
Export Citation:
International Classes:
H01F7/16; F16H31/00; G03B9/08; G11B5/55; H02K3/04; (IPC1-7): G11B5/55; F16H31/00; H01F7/16