BS EN 61249-4-1:2008 Materials for printed boards and other interconnecting structures - Sectional specification set for prepreg materials, unclad (for the manufacture of multilayer boards) - Epoxide woven E-glass prepreg of defined flammability
2008BS EN 61249-4-1:2008 Materials for printed boards and other interconnecting structures - Sectional specification set for prepreg materials, unclad (for the manufacture of multilayer boards) - Epoxide woven E-glass prepreg of defined flammability