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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS63157969
Kind Code:
U
Application Number:
JP4920287U
Publication Date:
October 17, 1988
Filing Date:
April 01, 1987
Export Citation:
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International Classes:
H01L31/12; H01S5/00; (IPC1-7): H01S3/18; H01L31/12