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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0135404
Kind Code:
B2
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Inventors:
NAGAKI TAKEHIRO
Application Number:
JP9957880A
Publication Date:
July 25, 1989
Filing Date:
July 21, 1980
Export Citation:
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Assignee:
SONY CORP
International Classes:
G11B5/39



 
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