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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4720220
Kind Code:
Y1
Application Number:
JP7791167U
Publication Date:
July 07, 1972
Filing Date:
September 13, 1967
Export Citation:
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International Classes:
(IPC1-7): H01B7/00; H01T13/04; H04B15/00; H05K9/00