
Electroacoustics - Sound Level Meters - Part 2: Pattern Evaluation Tests (iec 61672-2:2013)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
2014 [01/07/2014]2004 [01/08/2004]
Supersedes DIN EN 60651 and DIN EN 60804. (09/2004) Supersedes DIN IEC 29-362-CDV. (02/2005) DRAFT AMD 1 issued in October 2016. (10/2016)
UNE EN 61672-2:2014 - Identical
NF EN 61672-2:2014 - Identical
BS EN 61672-2:2013 - Identical
EN 61672-2:2013 - Identical