Document Type and Number:
Japanese Patent JPS5442255
Kind Code:
B2
Application Number:
JP9525072A
Publication Date:
December 13, 1979
Filing Date:
September 25, 1972
Export Citation:
International Classes:
G03G15/02; G03G15/05; G03G15/32; (IPC1-7): G03G13/02; G03G15/00; G03G15/02