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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS49141104
Kind Code:
U
More Like This:
Application Number:
JP3913973U
Publication Date:
December 05, 1974
Filing Date:
March 31, 1973
Export Citation:
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International Classes:
G03B31/04; G03B31/00; G11B27/36; G11B31/00; G11B33/10; (IPC1-7): G03B31/00; G11B27/36; G11B31/00
Foreign References:
US3582196A1971-06-01



 
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