GB/T 4706.19-2024 Chinese PDF (GB/T4706.19-2024) GB/T 18757-2025 GB/T 20603-2023_Chinese: Refrigerated light hydrocarbon

GB/T 20603-2023_Chinese: Refrigerated light hydrocarbon fluids - Sampling for liquefied natural gas (Chinese: 冷冻轻烃流体 液化天然气的取样)

English versions: GB/T 27647-2024

1-2024_Chinese: Instruments and software used for measurements in high-voltage and high-current tests - Part 1: Requirements for instruments for impulse tests (Chinese: 高电压和大电流试验测量用仪器和软件 第1部分：对冲击试验用仪器的要求)

English versions: GB/T 30134-2025

English versions: GB/T 44975-2024

GB/T 4706.19-2024 Chinese PDF (GB/T4706.19-2024) GB/T 18757-2025 GB/T 20603-2023_Chinese: Refrigerated light hydrocarbonGB T 4706. 19 2024_Chinese: Safety of household and similar electrical appliances Part 19: Particular requirements for appliances for heating liquids (Chinese: 19) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4706. 19 2024