Document Type and Number:
Japanese Patent JPS4842817
Kind Code:
A
Application Number:
JP7782371A
Publication Date:
June 21, 1973
Filing Date:
October 06, 1971
Export Citation:
International Classes:
B42F15/00; B42F17/34; G03B21/64; G06K21/00; G09F11/06; G11B23/32; (IPC1-7): G09F11/06