China 'GB/T 11310-1989
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 11310-1989
Test methods for the properties of piezoelectric ceramics--Test methods for temperature characteristics of relative free dielectric constants 压电陶瓷材料性能测试方法 相对自由介电常数温度特性的测试
Issued Date:1989-03-31
Implemented Date:1990-01-01
Issued by:
The Standardization Administration of the People's Republic of China