DIN EN 61952-1 (2016-06)現行
Insulators For Overhead Lines - Composite Line Post Insulators For A.c Systems With A Nominal Voltage Greater Than 1000 V - Part 1: Definitions, End Fittings And Designations (iec 36/377/cd:2016)
出版：Verband Deutscher Elektrotechniker
專家解讀視頻
