Home / Standards / GB/T 45459-2025 GB/T 45459-2025 Active Microbeam analysis—Focused ion beam—Preparation of TEM specimens 微束分析 聚焦离子束 透射电镜试样制备方法 Standard Type GBT ICS 71.040.40 CCS G 04 Status 现行 Issue Date 2025-03-28 Implementation 2025-10-01 Responsible Dept 国家标准委 Drafting Unit N/A