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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS57173464
Kind Code:
U
More Like This:
Application Number:
JP4890682U
Publication Date:
November 01, 1982
Filing Date:
April 06, 1982
Export Citation:
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International Classes:
G02B6/04; H04N1/44; (IPC1-7): H04N1/44; G02B5/16
Domestic Patent References:
JP46008812A
JPS4874106A1973-10-05



 
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