Document Type and Number:
Japanese Patent JPS5251795
Kind Code:
Y2
Application Number:
JP10976672U
Publication Date:
November 25, 1977
Filing Date:
September 18, 1972
Export Citation:
International Classes:
G03B27/28; B65H1/26; B65H11/00; G03B27/32; G03G15/00; G03G15/04; G03G21/00; (IPC1-7): G03G21/00; G03B27/32