ICS13.020.10CCSZ04备案号：81651-2021DB11北京市地方标准DB11/T1860—2021电子信息产品碳足迹核算指南Guidelinesforelectronicinformationproductscarbonfootprintaccounting2021-06-22发布2021-10-01实施北京市市场监督管理局发布DB11/T1860—2021I目次前言.................................................................................II1范围........................................................................
