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1、IEC61249-2-51Edition1.02023-05INTERNATIONA1.STANDARDNORMEINTERNATIONA1.EMateria1.sforprintedboardsandotherinterconnectingstructures-Part2-51:Reinforcedbasemateria1.s,c1.adandunc1.ad-Basemateria1.sforintegratedcircuitcardcarriertape,unc1.adMateriauxpourcircuitsimprimesetautresstructuresdinterconnexio
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