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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5118174
Kind Code:
B1
Application Number:
JP11516770A
Publication Date:
June 08, 1976
Filing Date:
December 22, 1970
Export Citation:
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International Classes:
G11B15/665; G11B15/66; G11B21/04; (IPC1-7): G11B15/66