DS DS/EN 61249-2-37
DS DSEN 61249-2-37 2009-APR-22 Materals for prnted boards and other nterconnectng structures - Part 2-37 Renforced base materals clad and unclad - Modfed non-halogenated epoxde woven E-glass lamnate sheets of defned flammablty vertcal burnng test copper-clad for lead-free assembly