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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5017849
Kind Code:
B1
Application Number:
JP410971A
Publication Date:
June 24, 1975
Filing Date:
February 03, 1971
Export Citation:
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International Classes:
G03B31/04; G11B15/46; (IPC1-7): G03B31/04; G11B15/46



 
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