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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0419534
Kind Code:
Y2
Application Number:
JP17364184U
Publication Date:
May 01, 1992
Filing Date:
November 15, 1984
Export Citation:
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International Classes:
G03B23/02; G03B21/64; G03B23/00; H04N5/222; H04N5/257; (IPC1-7): G03B23/00; H04N5/222