工厂建造烟囱|沙特标准|SASO-UL-103
SASO-UL-103
Standard for Factory-Built Chimneys for Residential Type and Building Heating Appliances
住宅型和建筑供暖设备的工厂建造烟囱标准
Applying Type : Standard Specification
Standard Year : 2001
Approval Year : 2008