Document Type and Number:
Japanese Patent JPS568045
Kind Code:
Y2
Application Number:
JP11861574U
Publication Date:
February 21, 1981
Filing Date:
September 26, 1974
Export Citation:
International Classes:
B42F17/34; G03B21/00; G03B21/11; G03B23/02; G06F17/30; G06K13/14; G06K17/00; G06K21/00; G06K21/02; (IPC1-7): G06F15/40; G03B21/11; G03B23/02; G06K21/02
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