DIN EN 449-2008 专用液化石油气装置规范.无排气口的居室暖器(包括扩散催化燃烧的加热器)
简介:DIN EN 449-2008
EN 449:2002+A1:2007 专用液化石油气装置规范.无排气口的居室暖器(包括扩散催化燃烧的加热器)
Specification for dedicated liquefied petroleum gas appliances –
Domestic flueless space heaters (including diffusive catalytic combustion heaters);