UNI EN 257:2010现行
Mechanical Thermostats For Gas-Burning Appliances
出版：Italian Standards
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'.
NEN EN 257:2010 - Identical
ONORM EN 257:2010 - Identical
SS EN 257 Ed. 2 (2010) - Identical
UNE EN 257:2010 - Identical
NBN EN 257:2010 - Identical
NF EN 257:2011 - Identical
SN EN 257:1997 - Identical
UNE EN 257:1994 - Identical
NS EN 257:1992 - Identical
NF EN 257:1992 - Identical
NBN EN 257:1992 - Identical
DIN EN 257 (1996-08) - Identical
DIN EN 257 (2010-11) - Identical
SN EN 257:2010 - Identical
NS EN 257:2010 - Identical
I.S. EN 257:2010 - Identical
BS EN 257:2010 - Identical
