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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6437190
Kind Code:
U
Application Number:
JP13121487U
Publication Date:
March 06, 1989
Filing Date:
August 28, 1987
Export Citation:
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International Classes:
H04N9/28; H04N9/31; (IPC1-7): H04N9/28; H04N9/31