GB/T 37400.18-2023 Chinese PDF (GB/T37400.18-2023) GB/T 27534.8-2025 English versions: GB/T 45574-2025

English versions: GB/T 45574-2025

boats and internal combustion engines - Radio disturbance characteristics - Limits and methods of measurement for the protection of on-board receivers (Chinese: 车辆、船和内燃机 无线电骚扰特性 用于保护车载接收机的限值和测量方法)

GB/T 14264-2024_Chinese: Terminology of semiconductor materials (Chinese: 半导体材料术语)

3-2025_Chinese: Household electric direct-acting room heaters - Methods for measuring performance - Part 3: Additional provisions for the measurement of the radiation efficiency (Chinese: 家用直接作用式房间电加热器 性能测试方法 第3部分：辐射效率测量的附加规定)

GB/T 37400.18-2023 Chinese PDF (GB/T37400.18-2023) GB/T 27534.8-2025 English versions: GB/T 45574-2025GB T 37400. 18 2023_Chinese: Heavy mechanical general technical specification Part 18: Opening gear drives system (Chinese: 18) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 37400. 18 2023