Document Type and Number:
Japanese Patent JPS4842942
Kind Code:
Y1
Application Number:
JP4864669U
Publication Date:
December 12, 1973
Filing Date:
May 24, 1969
Export Citation:
International Classes:
G03B21/54; B65H20/34; G03B23/02; G03B31/00; (IPC1-7): G03B31/00; G03B21/54; G03B23/02