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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS52131902
Kind Code:
U
Application Number:
JP3990676U
Publication Date:
October 06, 1977
Filing Date:
April 01, 1976
Export Citation:
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International Classes:
H05K7/20; (IPC1-7): H05K7/20
Domestic Patent References:
JP46006487U
JPS51167U1976-01-05



 
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