GB/T 4706.71-2024 Chinese PDF (GB/T4706.71-2024) GB/T 20965-2025 207-2023_Chinese: Controlgear for electric light

207-2023_Chinese: Controlgear for electric light sources - Part 2-7: Particular requirements for electric source for safety services (ESSS) supplied electronic controlgear for emergency lighting (self-contained) (Chinese: 光源控制装置 第2-7部分：应急照明（自容式）用安全服务电源（ESSS）供电电子控制装置的特殊要求)

23-2024_Chinese: Safety of household and similar electrical appliances - Part 23: Particular requirements for room heaters (Chinese: 家用和类似用途电器的安全 第23部分：室内加热器的特殊要求)

GB/T 1964-2023_Chinese: Porous ceramics - Test method for compressive strength at room temperature (Chinese: 多孔陶瓷 室温压缩强度试验方法)

English versions: GB/T 45284

GB/T 4706.71-2024 Chinese PDF (GB/T4706.71-2024) GB/T 20965-2025 207-2023_Chinese: Controlgear for electric lightGB T 4706. 71 2024_Chinese: Safety of household and similar electrical appliances Part 71: Particular requirements for stationary circulation pumps for heating and service water installations (Chinese: 71) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4706. 71 2024