GB 30253-2024 Chinese PDF GB/T 26354-2025 English versions: GB/T 45241-2025

English versions: GB/T 45241-2025

English versions: GB/T 45335-2025

40-2024_Chinese: Specifications for optical fibre test methods - Part 40: Measurement methods and test procedures for transmission characteristics - Attenuation (Chinese: 光纤试验方法规范 第40部分：传输特性的测量方法和试验程序 衰减)

42-2025_Chinese: National food safety standard - Determination of salt index (Chinese: 食品安全国家标准 食用盐指标的测定)

English versions: GB/T 45617-2025

GB 30253-2024 Chinese PDF GB/T 26354-2025 English versions: GB/T 45241-2025GB 30253 2024_Chinese: Minimum allowable values of energy efficiency and energy efficiency grades for permanent magnet synchronous motors (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 30253 2024