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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5393520
Kind Code:
U
Application Number:
JP17772276U
Publication Date:
July 31, 1978
Filing Date:
December 28, 1976
Export Citation:
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International Classes:
H01L23/34; B23K9/06; B23K9/073; B23K9/10; (IPC1-7): B23K9/06; H01L23/34
Domestic Patent References:
JP48102903B
JPS5026344B11975-08-30