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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS52146987
Kind Code:
U
Application Number:
JP5489376U
Publication Date:
November 08, 1977
Filing Date:
May 04, 1976
Export Citation:
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International Classes:
G09F13/00; G09F9/00; G09F13/04; (IPC1-7): G09F9/00; G09F13/04
Domestic Patent References:
JP50087890B