Home / Standards / GB/T 2413-1980 GB/T 2413-1980 Active Piezoelectric ceramic materials--Measuring methods for determination of volume density 压电陶瓷材料体积密度测量方法 Standard Type GBT ICS 31-030 CCS L32 Status 现行 Issue Date 1980-12-31 Implementation 1981-10-01 Responsible Dept 工业和信息化部（电子） Drafting Unit N/A