GB 4706.77-2008
家用和類似用途電器的安全 便攜浸入式加熱器的特殊要求Household and similar electrical appliances-safety - Particular requirements for portable immersion heaters
GB 4706.77-2008
家用和類似用途電器的安全 便攜浸入式加熱器的特殊要求Household and similar electrical appliances-safety - Particular requirements for portable immersion heaters