GB/T 31489.2-2020
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 31489.2-2020
D.C. extruded cable systems for power transmission at a rated voltage up to and including 500kV—Part 2: D.C. land cables 额定电压500kV及以下直流输电用挤包绝缘电力电缆系统 第2部分:直流陆地电缆
Issued Date:2020/12/14
Implemented Date:2021/7/1
Issued by:
The Standardization Administration of the People's Republic of China