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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH03106747
Kind Code:
U
Application Number:
JP1628590U
Publication Date:
November 05, 1991
Filing Date:
February 20, 1990
Export Citation:
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International Classes:
H01L23/02; H01S5/00; (IPC1-7): H01L23/02; H01S3/18