DS DS/EN 61249-2-18
DS DSEN 61249-2-18 2002-JUL-08 Materals for prnted boards and other nterconnecton structures - Part 2-18 Renforced base materals clad and unclad - Polyester non-woven fbreglass renforced lamnated sheet of defned flammablty vertcal burnng test copper-clad