
District Heating Pipes - Preinsulated Bonded Pipe Systems For Directly Buried Hot Water Networks - Pipe Assembly Of Steel Service Pipe, Polyurethane Thermal Insulation And Outer Casing Of Polyethylene
出版:Norwegian Standards (Norges Standardiseringsforbund)

专家解读视频
2009 + A2 2015 [01/01/2016]2009 + A1 2013 [01/05/2013]2009 [01/05/2009]2003 AMD 2 2006 [01/03/2007]2003 AMD 1 2006 [08/03/2006]2003 [11/04/2003]1994 [01/01/0001]
2009 Edition Re-Issued in May 2013 & incorporates AMD 1 2013. (07/2013)
ONORM EN 253:2007 - Identical
UNE EN 253:2010 - Identical
ONORM EN 253:2013 - Identical
UNI EN 253:2013 - Identical
BS EN 253:2009+A1:2013 - Identical
DIN EN 253 (2013-05) - Identical
BS EN 253:2009+A2:2015 - Identical
UNI EN 253:2016 - Identical
ONORM EN 253:2009 - Identical
NBN EN 253:2003 - Identical
UNI EN 253:2007 - Identical
UNE EN 253:2005 - Identical
SS EN 253:2009 - Identical
ONORM EN 253:2015 - Identical
DIN EN 253 (2015-12) - Identical
NBN EN 253:2009 - Identical
UNI EN 253:2009 - Identical
SN EN 253:2009 - Identical
NEN EN 253:2009 - Identical
SS EN 253 Ed. 3 (2009) - Identical
EN 253:2009 - Identical
NF EN 253:2009 - Identical
I.S. EN 253:2009 - Identical
SN EN 253:2003 - Identical