[國(guó)外標(biāo)準(zhǔn)] BS EN 50268-2:2000 Common test methods for cables under fire conditions ? Measurement of smoke density of cables burning under defined conditions ? Part 2: Procedure
BS EN 50268-2:2000 Common test methods for cables under fire conditions ? Measurement of smoke density of cables burning under defined conditions ? Part 2: Procedure.pdf