NBN EN 437:2003现行

Specifies the test gases, test pressures and categories of appliances relative to the use of combustible gases of the first, second and third families. Also gives detailed definitions.

2003 Edition Re-issued in July 2009 & incorporates AMD 1 2009. (07/2009)

I.S. EN 437:2003 - Identical

UNI EN 437:2005 - Identical

NS EN 437:2003 - Identical

UNE EN 437:2003 - Identical

SS EN 437 Ed. 2 (2003) - Identical

DIN EN 437 (2009-09) - Identical

ONORM EN 437:2009 - Identical

UNI EN 437:2009 - Identical

DIN EN 437 (2003-09) - Identical

SN EN 437:2003 - Identical

NEN EN 437:2003 - Identical

ONORM EN 437:2003 - Identical

DIN EN 437 (1999-12) - Identical

BS EN 437:2003+A1:2009 - Identical

NF EN 437:2003 - Identical