EN 13084-7:2012 free-standing chimneys - Part 7: Product specifications of cylindrical steel fabrications for use in single wall steel chimneys and steel liners.
EN 13084-7:2005 独立式烟囱.第7部分:用于单层壁钢质烟囱和钢内衬的圆柱钢结构产品规格。
EN 13084-7独立式烟囱CE认证体系及法规
...
EN 13084-7:2012 free-standing chimneys - Part 7: Product specifications of cylindrical steel fabrications for use in single wall steel chimneys and steel liners.
EN 13084-7:2005 独立式烟囱.第7部分:用于单层壁钢质烟囱和钢内衬的圆柱钢结构产品规格。
EN 13084-7独立式烟囱CE认证体系及法规
...