GB/T 18978.20-2024 Chinese PDF (GB /T18978.20-2024) GB/T 17643-2025 4-2024_Chinese: Devices and integration in

4-2024_Chinese: Devices and integration in enterprise systems - Function blocks(FB) for process control and electronic device description language(EDDL) - Part 4: EDD interpretation (Chinese: 企业系统中的设备和集成 过程控制用功能块（FB）和电子设备描述语言（EDDL） 第4部分：EDD互操作)

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)

English versions: GB 31616-2025

Canonical Encoding Rules(CER) and Distinguished Encoding Rules(DER) (Chinese: 信息技术 ASN

English versions: GB/T 20130-2025

GB/T 18978.20-2024 Chinese PDF (GB /T18978.20-2024) GB/T 17643-2025 4-2024_Chinese: Devices and integration inGB 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