Home / Standards / GB/T 26921-2011 GB/T 26921-2011 Active The guide of design optimization for motor systems（fans,pumps,air compressors） 电机系统（风机、泵、空气压缩机）优化设计指南 Standard Type GBT ICS 27.010 CCS F01 Status 现行 Issue Date 2011-07-19 Implementation 2012-03-01 Responsible Dept 国家标准委 Drafting Unit N/A