Document Type and Number:
Japanese Patent JPS5680686
Kind Code:
U
Application Number:
JP16045379U
Publication Date:
June 30, 1981
Filing Date:
November 21, 1979
Export Citation:
International Classes:
H02M1/08; G05F1/455; H02M5/12; H02M5/257; (IPC1-7): H02M1/08; G05F1/455; H02M5/257