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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS57131059
Kind Code:
U
Application Number:
JP1769281U
Publication Date:
August 16, 1982
Filing Date:
February 09, 1981
Export Citation:
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International Classes:
H04N3/223; H04N3/16; H04N3/22; (IPC1-7): H04N3/22; H04N3/16