ICS77.120.99CCSH6515内蒙古自治区地方标准DB15/T4059—2025温室气体产品碳足迹量化方法与要求稀土产品Greenhousegas—Quantificationrequirementandmethodofproductcarbonfootprint—Rareearthproducts2025-06-06发布2025-07-06实施内蒙古自治区市场监督管理局发布DB15/T4059—2025I目次前言.................................................................................II1范围.........................................
