Home / Standards / GB/T 47102-2026 GB/T 47102-2026 Upcoming Greenhouse gas—Quantitative method and requirement for product carbon footprint—Rare earth permanent magnet materials 温室气体 产品碳足迹量化方法与要求 稀土永磁材料 Standard Type GBT ICS 77.120.99 CCS Z04 Status 即将实施 Issue Date 2026-01-28 Implementation 2026-08-01 Responsible Dept 国家标准委 Drafting Unit N/A