Home / Standards / GB/T 11312-1989 GB/T 11312-1989 Active Test methods for SAW properties of piezoelectric ceramics and crystals 压电陶瓷材料和压电晶体声表面波性能测试方法 Standard Type GBT ICS 31.140 CCS L32 Status 现行 Issue Date 1989-03-31 Implementation 1990-01-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A