Home / Standards / GB/T 1311-2024 GB/T 1311-2024 Active Test methods for direct current machines 直流电机试验方法 Standard Type GBT ICS 29.160.01 CCS K23 Status 现行 Issue Date 2024-08-23 Implementation 2025-03-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A