China 'GB/T 18909-2002
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 18909-2002
Sectional specification for high-frequency inductors and intermediate frequency transformers for use in electronic equipment for capability approval 按能力批准评定质量的电子设备用高频电感器和中频变压器分规范
Issued Date:2002-12-04
Implemented Date:2003-05-01
Issued by:
The Standardization Administration of the People's Republic of China