Document Type and Number:
Japanese Patent JPS4725712
Kind Code:
U
Application Number:
JP1975971U
Publication Date:
November 22, 1972
Filing Date:
March 22, 1971
Export Citation:
International Classes:
H02M1/08; G05F1/20; G05F1/455; G05F1/56; (IPC1-7): H02M1/08; G05F1/64