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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5118653
Kind Code:
U
Application Number:
JP9087474U
Publication Date:
February 10, 1976
Filing Date:
July 29, 1974
Export Citation:
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International Classes:
G09B5/06; G09B19/06; G11B5/00; G11B31/00; (IPC1-7): G09B19/06; G11B31/00