DS DS/EN 61249-2-12
DS DSEN 61249-2-12 1999-SEP-10 Materals for prnted boards and other nterconnecton structures - Part 2-12 Sectonal specfcaton set for renforced base materals clad and unclad - Epoxde non-woven aramd lamnate of defned flammablty copper-clad