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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5448540
Kind Code:
U
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Application Number:
JP12146177U
Publication Date:
April 04, 1979
Filing Date:
September 09, 1977
Export Citation:
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International Classes:
H03H9/145; H01L41/00; H03H3/08; H03H9/00; (IPC1-7): H03H9/00; H01L41/00
Domestic Patent References:
JPS51138362A1976-11-29



 
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