GB/T 32592-2023 Chinese PDF (GB/T32592-2023) GB/T 39733-2024 English versions: GB/T 33523

English versions: GB/T 33523

English versions: GB/T 45456-2025

GB/T 35290-2023_Chinese: Information security technology - Security technical specification for radio frequency identification(RFID) systems (Chinese: 信息安全技术 射频识别（RFID）系统安全技术规范)

GB/T 18822

GB/T 14478-2025_Chinese: Basic technical specification of inlet valves for large and medium-sized hydraulic turbines (Chinese: 大中型水轮机进水阀门基本技术规范)

GB/T 32592-2023 Chinese PDF (GB/T32592-2023) GB/T 39733-2024 English versions: GB/T 33523GB T 32592 2023_Chinese: Railway applications Current collection systems Requirements for and validation of measurements of the dynamic interaction between pantograph and overhead contact line (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 32592 2023