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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4731029
Kind Code:
U
Application Number:
JP3118571U
Publication Date:
December 08, 1972
Filing Date:
April 20, 1971
Export Citation:
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International Classes:
H04N9/28; H01J29/51; (IPC1-7): H04N9/28; H01J29/51