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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5013559
Kind Code:
U
Application Number:
JP6666573U
Publication Date:
February 13, 1975
Filing Date:
June 05, 1973
Export Citation:
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International Classes:
H01P1/00; H01L23/12; H01L29/864; H01L47/02; (IPC1-7): H01L29/90; H01L23/12; H01P1/00