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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5429769
Kind Code:
Y2
Application Number:
JP13322473U
Publication Date:
September 20, 1979
Filing Date:
November 16, 1973
Export Citation:
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International Classes:
G11B23/087; G11B15/66; G11B23/08; (IPC1-7): G11B23/08