Tiêu chuẩn AS 4254-1995 Ductwork for air-handling systems in buildings

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…