GB/T 45176-2024 Chinese PDF (GB /T45176-2024) GB/T 28185-2025 GB/T 20424-2025_Chinese: The specification for

GB/T 20424-2025_Chinese: The specification for limit on harmful element content of the heavy nonferrous metal concentrates products (Chinese: 重有色金属精矿产品中有害元素的限量规范)

English versions: GB/T 44024-2025

English versions: GB/T 44935-2024

2-2025_Chinese: Semi-finished spectacle lens blanks - Part 2: Power-variation (Chinese: 半成品镜片毛坯 第2部分：渐变焦)

English versions: GB/T 45254-2025

GB/T 45176-2024 Chinese PDF (GB /T45176-2024) GB/T 28185-2025 GB/T 20424-2025_Chinese: The specification forGB T 45176 2024_Chinese: Green product assessment Commercial refrigerating appliances (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45176 2024