Tiêu chuẩn AS 4254-1995 Ductwork for air-handling systems in buildings – Ống dẫn cho hệ thống điều hòa không khí trong tòa nhà.
This Australian Standard was prepared by Committee ME/62, Mechanical Ventilation and Air Conditioning. It was approved on behalf of the Council of Standards Australia on 21 September 1994 and published on 5 January 1995 – Incorporating: Amdt 1—1996, Amdt 2—1999
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