
National Fuel Gas Code
出版:American Gas Association

专家解读视频
Applies to the installation of fuel gas piping systems, appliances, equipment, and related accessories.
Also numbered as AGA Z22306. (04/2007) Also numbered as NFPA 54. (09/2008)
AGA Z22302:2002 - Equivalent
AGA Z22306:2005 - Equivalent
AGA Z22306H:2006 - Identical
NFPA 54:2006 - Equivalent
NFPA 54:2009 - Equivalent