GB/T 5019.5-2023 Chinese PDF (GB/T5019.5-2023) GB/T 22369-2024 GB 21343-2023_Chinese: The norm of

GB 21343-2023_Chinese: The norm of energy consumption per unit production of calcium carbide

English versions: GB/T 43266-2023

GB/T 22310-2023_Chinese: Road vehicles - Brake linings - Effects of heat on dimensions and form of disc brake pads test method (Chinese: 道路车辆 制动衬片 盘式制动衬块受热膨胀量试验方法)

2-2024_Chinese: Determination of certain substances in electrical and electronic products - Part 2: Disassembly

208-2023_Chinese: Controlgear for electric light sources - Part 2-8: Particular requirements for ballasts for fluorescent lamps (Chinese: 光源控制装置 第2-8部分：荧光灯用镇流器的特殊要求)

GB/T 5019.5-2023 Chinese PDF (GB/T5019.5-2023) GB/T 22369-2024 GB 21343-2023_Chinese: The norm ofGB T 5019. 5 2023_Chinese: Insulating materials based on mica Part 5: Rigid mica materials for heating equipment (Chinese: 5) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 5019. 5 2023