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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH01159245
Kind Code:
U
Application Number:
JP5233588U
Publication Date:
November 02, 1989
Filing Date:
April 19, 1988
Export Citation:
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International Classes:
G11B15/60; G11B15/665; (IPC1-7): G11B15/60; G11B15/665