
INSULATORS FOR OVERHEAD LINES, CONTACT WIRES AND TELECOMMUNICATION LINES - TEST ON INSULATORS OF CERAMIC OR GLASS FOR OVERHEAD LINES WITH NOMINAL VOLTAGES GREATER THAN 1 KV
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
DIN VDE 0446-1 : 1982 - Corresponds
VDE 0446-1 : 97 COR 1 2001 - Corresponds
DIN VDE 0446-1 : 1982 - Corresponds