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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6396689
Kind Code:
U
Application Number:
JP18830186U
Publication Date:
June 22, 1988
Filing Date:
December 05, 1986
Export Citation:
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International Classes:
G11B33/06; G11B27/36; G11B33/02; (IPC1-7): G11B33/02; G11B27/36; G11B33/06
Domestic Patent References:
JPS5990201A1984-05-24