AS 4254-2002 Ductwork for Air-Handling Systems in Buildings Incorporating AMD 1 September 2002 and AAS 4254-2002 Ductwork for Air-Handling Systems in Buildings Incorporating AMD 1 September 2002 and AMD 2 October 2004
部份国外标准涉及版权问题,所以全部国外标准于2013年02月,全部删除!相关页面仅提供参考消息。