角色：注册会员等级：技工声望：198
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BS 6004:2012+A1:2020 - Electric cables - PVC insulated and PVC sheathed cables for voltages up to and including 300∕500 V, for electric power and lighting
BS 6004：2012+A1：2020 - Electric cables - PVC insulated and PVC sheathed cables for voltages up to and including 300∕500 V for electric power and lighting.pdf
