Document Type and Number:
Japanese Patent JPS5327812
Kind Code:
B2
Application Number:
JP5989273A
Publication Date:
August 10, 1978
Filing Date:
May 30, 1973
Export Citation:
International Classes:
H01F30/12; H02M5/253; H02M7/12; H02M7/155; (IPC1-7): H02M7/04; H01F33/00