Home / Standards / GB/T 19396 GB/T 19396 Active Terbium-dysprosium-iron magnetostrictive materials 铽镝铁磁致伸缩材料 Standard Type GBT ICS 77.120.99 CCS H16 Status 现行 Issue Date 2025-04-25 Implementation 2025-11-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委