Document Type and Number:
Japanese Patent JPS52150937
Kind Code:
U
Application Number:
JP6100376U
Publication Date:
November 16, 1977
Filing Date:
May 13, 1976
Export Citation:
International Classes:
G06K7/015; G06K7/06; G06K7/14; (IPC1-7): G06K7/06; G06K7/14
Domestic Patent References:
JPS50146223A | 1975-11-22 | |||
JPS4976429A | 1974-07-23 | |||
JP43027896A | ||||
JP43025173A |