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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5721896
Kind Code:
B2
Application Number:
JP31173A
Publication Date:
May 10, 1982
Filing Date:
December 31, 1972
Export Citation:
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International Classes:
H04N1/21; H04N1/00; H04N1/32; (IPC1-7): H04N1/32