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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4632744
Kind Code:
Y1
Application Number:
JP1519168U
Publication Date:
November 12, 1971
Filing Date:
February 29, 1968
Export Citation:
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International Classes:
(IPC1-7): H01L21/50; H01L23/10; H01L23/16



 
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