IEC 60519-21 : 2.0现行
SAFETY IN ELECTROHEAT INSTALLATIONS - PART 21: PARTICULAR REQUIREMENTS FOR RESISTANCE HEATING EQUIPMENT - HEATING AND MELTING GLASS EQUIPMENT
出版：International Electrotechnical Committee
专家解读视频
Applicable to indirect resistance heating equipment for the heating and melting of glass, operating in voltage bands 1 and 2.
UNE EN 60519-21 : 2009 - Identical
PN EN 60519-21 : 2011 - Identical
VDE 0721-21 : 2009 - Identical
I.S. EN 60519-21:2009 - Identical
NEN EN IEC 60519-21 : 2009 - Identical
NF EN 60519-21 : 2009 - Identical
SN EN 60519-21 : 1998 - Identical
DS EN 60519-21 : 2009 - Identical
CEI EN 60519-21 : 2009 - Identical
SAC GB 5959-41 : 2004 - Identical
BS EN 60519-21 : 2009 - Identical
DIN EN 60519-21 : 2009 - Identical
GOST IEC 60519-21 : 2015 - Identical
PN IEC 60519-21 : 2000 - Identical
