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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5330244
Kind Code:
Y2
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Application Number:
JP7823973U
Publication Date:
July 28, 1978
Filing Date:
June 29, 1973
Export Citation:
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International Classes:
G11B3/50; G11B3/20; G11B3/46; H04R1/18; (IPC1-7): G11B3/46



 
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