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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS61157911
Kind Code:
U
Application Number:
JP4019485U
Publication Date:
September 30, 1986
Filing Date:
March 20, 1985
Export Citation:
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International Classes:
G02B6/42; H01L31/02; H01L31/0232; (IPC1-7): G02B6/42; H01L31/02