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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5075371
Kind Code:
U
Application Number:
JP13050273U
Publication Date:
July 01, 1975
Filing Date:
November 12, 1973
Export Citation:
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International Classes:
G01R19/04; G11B27/34; G11B27/36; (IPC1-7): G01R19/04; G11B27/34