IEC 62621 : 1.0现行
RAILWAY APPLICATIONS - FIXED INSTALLATIONS - ELECTRIC TRACTION - SPECIFIC REQUIREMENTS FOR COMPOSITE INSULATORS USED FOR OVERHEAD CONTACT LINE SYSTEMS
出版：International Electrotechnical Committee
专家解读视频
Describes characteristics for composite insulators of electric traction overhead contact line systems for railways, as defined in IEC 60913.
CEI EN 62621 : 2016 - Identical
VDE 0115-621 : 2017 - Identical
NBN EN 62621 : 2016 - Identical
DIN EN 62621 : 2017 - Identical
SAC GB/T 32586 : 2016 - Identical
BS EN 62621 : 2016 - Identical
PN EN 62621 : 2016 AMD 1 2016 - Identical
NEN EN IEC 62621 : 2016 AMD 11 2016 - Identical
DS EN 62621 : 2016 AMD 1 2016 - Identical
SN EN 62621 : 2016 AMD 1 2016 - Identical
