EN ISO 3822-3:1997
聲學.由供水設施使用的儀器和設備發出噪音進行的實驗室試驗.第3部分:管線上用的管件的連接和操作條件;包含修改件A1-2009
Acoustics - Laboratory Tests on Noise Emission from Appliances and Equipment Used in Water Supply Installations - Part 3: Mounting and Operating Conditions for In-Line Valves and Appliances Incorporates Amendment A1: 2009