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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS52115220
Kind Code:
U
More Like This:
Application Number:
JP2277976U
Publication Date:
September 01, 1977
Filing Date:
February 27, 1976
Export Citation:
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International Classes:
G11B15/675; G11B15/66; (IPC1-7): G11B15/66
Domestic Patent References:
JP50143519B
JP49142517B



 
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