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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5173980
Kind Code:
U
Application Number:
JP14845974U
Publication Date:
June 10, 1976
Filing Date:
December 07, 1974
Export Citation:
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International Classes:
H01L31/0248; H01L31/08; (IPC1-7): H01L31/08



 
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