GB/T 13631-2023 Chinese PDF (GB/T13631-2023) GB/T 45619-2025 GB/T 45092-2024_Chinese: Testing and evaluation

GB/T 45092-2024_Chinese: Testing and evaluation of electrodes performance for hydrogen production by water electrolysis (Chinese: 电解水制氢用电极性能测试与评价)

1-2024_Chinese: Financial information technology - Data interface of accounting software - Part 1: Enterprise (Chinese: 财经信息技术 会计核算软件数据接口 第1部分：企业)

GB/T 45259-2025_Chinese: Travel risk management - Guidance for organizations (Chinese: 差旅风险管理 组织指南)

GB/T 44797-2025_Chinese: Microwave hybrid integrated circuits - Synthesized frequency sources (Chinese: 微波混合集成电路 合成频率源)

GB/T 13631-2023 Chinese PDF (GB/T13631-2023) GB/T 45619-2025 GB/T 45092-2024_Chinese: Testing and evaluationGB T 13631 2023_Chinese: Criteria for the design of the supplementary control room of nuclear power plant (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 13631 2023