Document Type and Number:
Japanese Patent JPS5045359
Kind Code:
Y1
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Application Number:
JP4252370U
Publication Date:
December 22, 1975
Filing Date:
April 30, 1970
Export Citation:
International Classes:
G06K21/00; G06K21/02; (IPC1-7): G06K21/02
Domestic Patent References:
JPS418961Y1 | 1966-04-28 | |||
JP35012517A |