Home / Standards / GB/T 28749-2012 GB/T 28749-2012 Active The method of drawing energy balance network diagram for enterprises 企业能量平衡网络图绘制方法 Standard Type GBT ICS 27.010 CCS F01 Status 现行 Issue Date 2012-11-05 Implementation 2013-01-01 Responsible Dept 国家标准委 Drafting Unit N/A