Document Type and Number:
Japanese Patent JPS4968937
Kind Code:
U
Application Number:
JP11234672U
Publication Date:
June 15, 1974
Filing Date:
September 29, 1972
Export Citation:
International Classes:
G03B27/50; B65H11/00; G03B27/32; G03B27/62; G03G13/00; G03G15/00; G03G15/04; (IPC1-7): G03G15/04; G03G13/00