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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5658700
Kind Code:
U
More Like This:
Application Number:
JP14583880U
Publication Date:
May 20, 1981
Filing Date:
October 14, 1980
Export Citation:
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International Classes:
G10K9/20; G04C21/02; G10K9/12; G10K13/00; H04R7/18; H04R11/02; H04R13/00; (IPC1-7): G10K13/00; G04C21/02; G10K9/12; H04R7/18; H04R11/02
Domestic Patent References:
JP51104770B