YY/T 1952.1-2024 Chinese PDF (YY /T1952.1-2024) GB/T 45384-2025 8-2025_Chinese: Test methods of rare

8-2025_Chinese: Test methods of rare earth phosphors for LED - Part 8: Determination of pressure cooker test property (Chinese: LED用稀土荧光粉试验方法 第8部分：高压加速老化性能的测定)

English versions: YY/T 1950-2024

GB/T 5843-2025_Chinese: Flange coupling (Chinese: 凸缘联轴器)

English versions: GB/T 45462-2025

2-2025_Chinese: IPv4/IPv6 network security protection technical specifications - Part 2: Mobile communication network (Chinese: IPv4/IPv6网络安全防护技术规范 第2部分：移动通信网)

YY/T 1952.1-2024 Chinese PDF (YY /T1952.1-2024) GB/T 45384-2025 8-2025_Chinese: Test methods of rareYY T 1952. 1 2024_Chinese: Dentistry Materials for dental instruments Part 1: Stainless steel (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: YY T 1952. 1 2024