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Document Type and Number:
Japanese Patent JPH0337664
Kind Code:
U
Application Number:
JP9682789U
Publication Date:
April 11, 1991
Filing Date:
August 19, 1989
Export Citation:
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International Classes:
G11B27/34; G11B21/08; (IPC1-7): G11B21/08; G11B27/34



 
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