China 'GB/T 31489.1-2015
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 31489.1-2015
DC extruded cable systems for power transmission at a rated voltage up to and including 500kV―Part 1: Test methods and requirements 额定电压500kV及以下直流输电用挤包绝缘电力电缆系统 第1部分:试验方法和要求
Issued Date:2015-05-15
Implemented Date:2015-12-01
Issued by:
The Standardization Administration of the People's Republic of China