Document Type and Number:
Japanese Patent JPS5021421
Kind Code:
U
Application Number:
JP7433873U
Publication Date:
March 11, 1975
Filing Date:
June 25, 1973
Export Citation:
International Classes:
G06K13/24; B65H7/04; G06F3/02; G06K1/02; G06K1/05; G06K1/10; G06K13/18; (IPC1-7): G06K1/10; G06K1/05; G06K13/18