China 'GB/T 7676.5-1998
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 7676.5-1998
Direct acting indicating analogue electrical measuring instruments and their accessories--Part 5:Special requirements for phase meters,power factor meters and synchroscopes 直接作用模拟指示电测量仪表及其附件 第5部分:相位表、功率因数表和同步指示器的特殊要求
Issued Date:1998-07-23
Implemented Date:1999-05-01
Issued by:
The Standardization Administration of the People's Republic of China