Document Type and Number:
Japanese Patent JPS55117051
Kind Code:
U
Application Number:
JP1371879U
Publication Date:
August 18, 1980
Filing Date:
February 07, 1979
Export Citation:
International Classes:
G06K7/01; G06K7/015; G06K7/14; G06K9/20; (IPC1-7): G06K7/015; G06K7/14
Domestic Patent References:
JPS4719400A | ||||
JPS5279109U | 1977-06-13 | |||
JP43029439A | ||||
JP46020511U | ||||
JPS53105717U | 1978-08-25 |