
Bs En 16644 - Pumps - Rotodynamic Pumps - Glandless Circulators Having A Rated Power Input Not Exceeding 200 W For Heating Installations And Domestic Hot Water Installations - Noise Test Code (Vibro-Acoustics) For Measuring Structure - And Fluid-Borne
出版:British Standards Institution

專家解讀視頻
BS EN 16644.
PREN 16644:2013 - Identical