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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS57195660
Kind Code:
U
Application Number:
JP8450081U
Publication Date:
December 11, 1982
Filing Date:
June 09, 1981
Export Citation:
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International Classes:
G11B15/675; G11B15/66; (IPC1-7): G11B15/66



 
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