GB/T 18978.20-2024 Chinese PDF (GB /T18978.20-2024) GB/T 17643-2025 1-2024_Chinese: Antimicrobial and cleaning function

1-2024_Chinese: Antimicrobial and cleaning function of household and similar electrical appliances - Part 1: General requirement (Chinese: 家用和类似用途电器的抗菌、除菌、净化功能 第1部分：通则)

English versions: GB/T 20130-2025

1-2024_Chinese: Implants for surgery - Ultra-high-molecular-weight polyethylene - Part 1: Powder form (Chinese: 外科植入物 超高分子量聚乙烯 第1部分：粉料)

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)

English versions: GB/T 19267

GB/T 18978.20-2024 Chinese PDF (GB /T18978.20-2024) GB/T 17643-2025 1-2024_Chinese: Antimicrobial and cleaning functionGB T 18978. 20 2024_Chinese: Ergonomics of human system interaction Part 20: An ergonomic approach to accessible design (Chinese: 20) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18978. 20 2024