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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS567949
Kind Code:
Y2
Application Number:
JP2439576U
Publication Date:
February 21, 1981
Filing Date:
March 02, 1976
Export Citation:
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International Classes:
H04N5/225; G03B31/00; (IPC1-7): G03B31/00; H04N5/26