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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS57114570
Kind Code:
U
Application Number:
JP119581U
Publication Date:
July 15, 1982
Filing Date:
January 08, 1981
Export Citation:
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International Classes:
G11B3/085; G11B3/58; G11B9/07; (IPC1-7): G11B17/06; G11B3/58