GB/T 19973.2-2025 English PDF (GB/T19973.2-2025) GB/T 22249-2024 GB/T 17435-2025_Chinese: Design and installation

GB/T 17435-2025_Chinese: Design and installation of electrolysis of seawater anti-fouling system for ship (Chinese: 船用电解海水防污装置设计和安装)

GB/T 20243

4-2024_Chinese: Antimicrobial and cleaning function of household and similar electrical appliances - Part 4: Particular requirements for refrigerator (Chinese: 家用和类似用途电器的抗菌、除菌、净化功能 第4部分：电冰箱的特殊要求)

English versions: GB/T 12279

2-2024_Chinese: Non-destructive testing - Penetrant testing - Part 2: Testing of penetrang materials (Chinese: 无损检测 渗透检测 第2部分：渗透材料的检验)

GB/T 19973.2-2025 English PDF (GB/T19973.2-2025) GB/T 22249-2024 GB/T 17435-2025_Chinese: Design and installationGB T 19973. 2 2025_Chinese: Sterilization of health care products Microbiological methods Part 2: Tests of sterility performed in the definition, validation and maintenance of a sterilization process (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 19973. 2 2025