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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH01127247
Kind Code:
U
Application Number:
JP2396588U
Publication Date:
August 31, 1989
Filing Date:
February 24, 1988
Export Citation:
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International Classes:
H01L23/04; H01L23/50; (IPC1-7): H01L23/04; H01L23/50