UNE EN 60519-21:1999被替代
Safety In Electroheat Installations - Part 21: Particular Requirements For Resistance Heating Equipment - Heating And Melting Glass Equipment
出版：Asociacion Espanola de Normalizacion
专家解读视频
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.
SS EN 60519-21 Ed. 1 (1998) - Identical
I.S. EN 60519-21:1999 - Identical
IEC 60519-21 Ed. 1.0 - Identical
NBN EN 60519-21:1998 - Identical
NF EN 60519-21:2000 - Identical
DIN EN 60519-21 (1998-10) - Identical
BS EN 60519-21:1998 - Identical
SN EN 60519-21:1998 - Identical
NF EN 60519-21:2009 - Identical
