KS C IEC 61249-4-1-2012(2022) Materials for printed boards and other interconnecting structures-Part 4-1:Sectional specification set for prepreg materials, unclad(for the manufacture of multilayer boards)-Epoxide woven E-glass pre
2012KS C IEC 61249-4-1:2012 Materials for printed boards and other interconnecting structures-Part 4-1:Sectional specification set for prepreg materials, unclad(for the manufacture of multilayer boards)-Epoxide woven E-glass prepreg of defined flammability