Home / Standards / GB/T 6426-1999 GB/T 6426-1999 Abolished Quasi-static test method for ferroelectric hysteresis loop of ferroelectric ceramics 铁电陶瓷材料电滞回线的准静态测试方法 Standard Type GBT ICS 31-030 CCS L90 Status 废止 Issue Date 1999-05-19 Implementation 1999-12-01 Responsible Dept 国家标准委 Drafting Unit N/A