Home / Standards / GB/T 43915-2024 GB/T 43915-2024 Active Testing method for nano geometric standard samples 纳米几何量标准样板测试方法 Standard Type GBT ICS 17.040.30 CCS J42 Status 现行 Issue Date 2024-04-25 Implementation 2024-11-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A