ICS77.120.99CCSH4015内蒙古自治区地方标准DB15/T4058—2025温室气体产品碳足迹量化方法与要求钢铁产品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/T4058—2025I目次前言.................................................................................II1范围...........................................
