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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5331604
Kind Code:
B2
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Application Number:
JP11736272A
Publication Date:
September 04, 1978
Filing Date:
November 22, 1972
Export Citation:
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International Classes:
G11B15/087; G11B20/10; G11B20/14; G11B27/10