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Patent Searching and Data


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:
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International Classes:
G06K7/015; G06K7/06; G06K7/14; (IPC1-7): G06K7/06; G06K7/14
Domestic Patent References:
JPS50146223A1975-11-22
JPS4976429A1974-07-23
JP43027896A
JP43025173A



 
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