GB/T 7676.4-1998
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 7676.4-1998
Direct acting indicating analogue electrical measuring instruments and their accessories--Part 4:Special requirements for frequency meters 直接作用模拟指示电测量仪表及其附件 第4部分:频率表的特殊要求
Issued Date:1998-07-23
Implemented Date:1999-05-01
Issued by:
The Standardization Administration of the People's Republic of China