
Acoustics - Description, Measurement And Assessment Of Environmental Noise - Part 1: Basic Quantities And Assessment Procedures
出版:International Organization for Standardization

專(zhuān)家解讀視頻
60.00 (2003) [18/03/2003]50.60 (2003) [17/03/2003]50.20 (2003) [13/01/2003]50.00 (2002) [21/06/2002]40.60 (2001) [10/08/2001]40.20 (2001) [01/03/2001]
DIN 45645-1 (1996-07) - Identical