Document Type and Number:
Japanese Patent JPS4944242
Kind Code:
U
Application Number:
JP8512872U
Publication Date:
April 18, 1974
Filing Date:
July 18, 1972
Export Citation:
International Classes:
G03B27/14; B65H9/00; G03G15/00; (IPC1-7): G03B27/14; G03G15/00