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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4990124
Kind Code:
A
Application Number:
JP13009272A
Publication Date:
August 28, 1974
Filing Date:
December 27, 1972
Export Citation:
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International Classes:
H03M1/36; G01J1/44; G03B17/18; G09G3/04; G09G3/14