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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5428970
Kind Code:
Y2
Application Number:
JP52877U
Publication Date:
September 17, 1979
Filing Date:
January 06, 1977
Export Citation:
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International Classes:
G11B15/02; G11B5/00; G11B15/22; G11B31/00; (IPC1-7): G11B15/02; G11B31/00



 
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