Document Type and Number:
Japanese Patent JPS4810442
Kind Code:
Y1
Application Number:
JP4577269U
Publication Date:
March 19, 1973
Filing Date:
May 16, 1969
Export Citation:
International Classes:
G03G15/09; G03G13/08; G03G15/08; (IPC1-7): G03G15/09; G03G13/08; G03G15/08