Home / Standards / GB/T 3388-2002 GB/T 3388-2002 Active Designations for types of piezoelectric ceramics 压电陶瓷材料型号命名方法 Standard Type GBT ICS 31-030 CCS L18 Status 现行 Issue Date 2002-07-18 Implementation 2002-12-01 Responsible Dept 工业和信息化部（电子） Drafting Unit N/A