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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS61205142
Kind Code:
U
Application Number:
JP9032285U
Publication Date:
December 24, 1986
Filing Date:
June 13, 1985
Export Citation:
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International Classes:
H01L21/677; H01L21/67; H01L21/68; (IPC1-7): H01L21/68