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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH049982
Kind Code:
U
Application Number:
JP5040490U
Publication Date:
January 28, 1992
Filing Date:
May 15, 1990
Export Citation:
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International Classes:
G02F1/1333; G09F9/00; (IPC1-7): G09F9/00; G02F1/1333; G09F9/00