
ISO 3822-1:1999/DAMD-1. Acoustics Laboratory tests on noise emission from appliances and equipment used in water supply installations. Part 1. Method of measurement. Amendment 1: Measurement uncertainty
出版:British Standards Institution

專家解讀視頻
ISO 3822-1:1999/DAMD-1. Acoustics Laboratory tests on noise emission from appliances and equipment used in water supply installations. Part 1. Method of measurement. Amendment 1: Measurement uncertainty
出版:British Standards Institution
專家解讀視頻