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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5320569
Kind Code:
U
Application Number:
JP10026376U
Publication Date:
February 21, 1978
Filing Date:
July 29, 1976
Export Citation:
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International Classes:
H01L31/12; (IPC1-7): H01L31/12
Domestic Patent References:
JP49106283B
JP49106282B
JPS5130470B11976-09-01