Document Type and Number:
Japanese Patent JPS5540872
Kind Code:
Y2
Application Number:
JP7943075U
Publication Date:
September 24, 1980
Filing Date:
June 13, 1975
Export Citation:
International Classes:
H02H9/00; G05F1/44; H02H7/12; H02M3/145; H02M3/28; H02M3/335; (IPC1-7): H02M3/335