DIN EN 60519-21 (1998-10)被替代
Safety In Electroheat Installations - Part 21: Particular Requirements For Resistance Heating Equipment - Heating And Melting Glass Equipment
出版：German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻
Applicable to the protecting of persons from contact with current from electrically heated equipment for melting glass. Describes also the safety aspects of electrical parts where electrical heating is combined with other methods of heating, such as liquid fuel heating.
UNE EN 60519-21:1999 - Identical
SN EN 60519-21:1998 - Identical
BS EN 60519-21:1998 - Identical
NF EN 60519-21:2000 - Identical
NBN EN 60519-21:1998 - Identical
SS EN 60519-21 Ed. 1 (1998) - Identical
IEC 60519-21 Ed. 1.0 - Identical
I.S. EN 60519-21:1999 - Identical
