Home / Standards / GB/T 46149-2025 GB/T 46149-2025 Active Non-destructive testing—Terahertz detection method for insulating materials 无损检测 绝缘材料太赫兹检测方法 Standard Type GBT ICS 19.100 CCS J04 Status 现行 Issue Date 2025-08-29 Implementation 2025-08-29 Responsible Dept 国家标准委 Drafting Unit N/A