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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4820370
Kind Code:
U
Application Number:
JP6391971U
Publication Date:
March 08, 1973
Filing Date:
July 20, 1971
Export Citation:
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International Classes:
H01L41/113; H01L41/00; H02N2/00; H02N2/18; (IPC1-7): H01L41/00