Home / Standards / GB/T 2414.2-2025 GB/T 2414.2-2025 Active Test methods for the properties of piezoelectric ceramics—Transverse length extension vibration mode for bar 电压陶瓷材料性能试验方法 长条横向长度伸缩振动模式 Standard Type GBT ICS 31.140 CCS L 90 Status 现行 Issue Date 2025-08-29 Implementation 2026-03-01 Responsible Dept 国家标准委 Drafting Unit N/A