GB/T 37820.1-2024 Chinese PDF (GB/T37820.1-2024) GB/T 2684-2025 English versions: GB/T 18849-2023

English versions: GB/T 18849-2023

English versions: GB/T 44890-2024

GB 30253-2024_Chinese: Minimum allowable values of energy efficiency and energy efficiency grades for permanent magnet synchronous motors (Chinese: 永磁同步电动机能效限定值及能效等级)

GB/T 19055-2024_Chinese: Reliability test methods for motor vehicle engines (Chinese: 汽车发动机可靠性试验方法)

1871-2024_Chinese: Measuring relays and protection equipment - Part 187-1: Functional requirements for differential protection - Restrained and unrestrained differential protection of motors

GB/T 37820.1-2024 Chinese PDF (GB/T37820.1-2024) GB/T 2684-2025 English versions: GB/T 18849-2023GB T 37820. 1 2024_Chinese: Ships and marine technology Design, location and use of shipboard safety signs, fire control plan signs, safety notices and safety markings Part 1: Design principles (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 37820. 1 2024