
Mechanical Thermostats For Gas-Burning Appliances
出版:Standardiserings-Kommissionen I Sverige

专家解读视频
Describes the safety, construction and performance requirements for mechanical thermostats intended for use with gas appliances and similar use, hereafter referred to as 'thermostats'.
DIN EN 257 (1996-08) - Identical
NBN EN 257:1992 - Identical
NF EN 257:1992 - Identical
NS EN 257:1992 - Identical
UNE EN 257:1994 - Identical
SN EN 257:1997 - Identical
NF EN 257:2011 - Identical
NBN EN 257:2010 - Identical
UNE EN 257:2010 - Identical
DIN EN 257 (2010-11) - Identical
SN EN 257:2010 - Identical
NS EN 257:2010 - Identical
UNI EN 257:2010 - Identical
ONORM EN 257:2010 - Identical
NEN EN 257:2010 - Identical
I.S. EN 257:2010 - Identical
BS EN 257:2010 - Identical