NF EN 62054-21:2006現行
Electricity Metering (A.C.) - Tariff And Load Control - Part 21: Particular Requirements For Time Switches
出版：Association Francaise de Normalisation
專家解讀視頻
2006 AMD 1 2017 [01/07/2017]2006 [01/04/2006]
Indice de classement: C44-119-21. (05/2006)
DIN EN 62054-21:2005 - Identical
DIN EN 62054-21:2017 - Identical
I.S. EN 62054-21:2004 - Identical
BS EN 62054-21:2004 - Identical
DIN EN 62054-21 (2005-06) - Identical
NBN EN 62054-21:2005 - Identical
IEC 62054-21 Ed. 1.0 - Identical
UNE EN 62054-21:2005 - Identical
SS EN 62054-21 Ed. 1 (2005) - Identical
EN 62054-21:2004 - Identical
