[國(guó)外標(biāo)準(zhǔn)] DIN VDE 0482-268-1-2000 Common test methods for cables under fire conditions – Measurement of smoke density of cables burning under defined conditions – Part 1: Apparatus
DIN VDE 0482-268-1-2000 Common test methods for cables under fire conditions – Measurement of smoke density of cables burning under defined conditions – Part 1: Apparatus.pdf