GB/T 44972-2024 Chinese PDF (GB /T44972-2024) GB/T 18281.4-2024 English versions: GB/T 13000-2025

English versions: GB/T 13000-2025

2-2025_Chinese: Test methods of rare earth phosphors for LED - Part 2: Determination of relative brightness (Chinese: LED用稀土荧光粉试验方法 第2部分：相对亮度的测定)

1-2025_Chinese: Information technology - ASN

GB/T 45005-2024_Chinese: Core rules for environmental product declarations of construction products and services (Chinese: 建筑产品与服务环境声明通则)

GB/T 44972-2024 Chinese PDF (GB /T44972-2024) GB/T 18281.4-2024 English versions: GB/T 13000-2025GB T 44972 2024_Chinese: Requirements and evaluation specification for snow sport event (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 44972 2024