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Document Type and Number:
Japanese Patent JPS5532225
Kind Code:
B2
Application Number:
JP4899576A
Publication Date:
August 23, 1980
Filing Date:
April 27, 1976
Export Citation:
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International Classes:
H01L27/082; H01L21/331; H01L21/8226; H01L27/02; H01L29/73



 
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