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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5538729
Kind Code:
B2
Application Number:
JP5704272A
Publication Date:
October 06, 1980
Filing Date:
June 08, 1972
Export Citation:
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International Classes:
G11B15/00; G01P3/489; G11B15/18; G11B15/48



 
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