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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4849980
Kind Code:
U
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Application Number:
JP9472571U
Publication Date:
June 30, 1973
Filing Date:
October 14, 1971
Export Citation:
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International Classes:
G09F13/00; G02B6/12; G02F1/03; G02F1/05; G09F9/00; G09F9/30; (IPC1-7): G09F9/30; G09F9/00