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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS62187446
Kind Code:
U
Application Number:
JP7598286U
Publication Date:
November 28, 1987
Filing Date:
May 20, 1986
Export Citation:
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International Classes:
G11B17/04; G11B17/028; G11B17/054; (IPC1-7): G11B17/028; G11B17/04
Domestic Patent References:
JP60077060B