GB/T 42334.2-2024 Chinese PDF (GB/T42334.2-2024) GB 44917-2024 industry and administration - Long

industry and administration - Long term signature - Part 3: Long term signature profiles for PDF Advanced Electronic Signatures(PAdES) (Chinese: 行政、商业和行业中的数据元、过程和文档 长效签名 第3部分: PDF高级电子签名（PAdES）的长效签名规范)

English versions: GB/T 45575-2025

English versions: GB/T 19688-2022

English versions: GB/T 45471-2025

71-2024_Chinese: Safety of household and similar electrical appliances - Part 71: Particular requirements for stationary circulation pumps for heating and service water installations (Chinese: 家用和类似用途电器的安全 第71部分：供热和供水装置固定循环泵的特殊要求)

GB/T 42334.2-2024 Chinese PDF (GB/T42334.2-2024) GB 44917-2024 industry and administration - LongGB T 42334. 2 2024_Chinese: Specification for operational safety assessment of urban rail transit Part 2: Monorail (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 42334. 2 2024