Tài liệu

Thư viện tài liệu & tiêu chuẩn âm học (TCVN, ISO, ASTM, IEC) áp dụng trong đo kiểm, thử nghiệm và thiết kế âm học công trình.

Standard Test Method for Laboratory Measurement of the Insertion Loss of Pipe Lagging Systems
ASTM2016ASTM E1222-90(2016)
ASTM E1222-90(2016) - Standard Test Method for Laboratory Measurement of the Insertion Loss of Pipe Lagging Systems
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13e1 – Standard Test Method for Laboratory Measurements of Acoustical and Airflow Performance of Duct Liner Materials and Prefabricated Silencers
ASTM2013ASTM E477-13e1
ASTM E477-13e1 - Standard Test Method for Laboratory Measurements of Acoustical and Airflow Performance of Duct Liner Materials and Prefabricated Silencers
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20 – Standard Test Method for Laboratory Measurements of Acoustical and Airflow Performance of Duct Liner Materials and Prefabricated Silencers
ASTM2020ASTM E477-20
ASTM E477-20 - Standard Test Method for Laboratory Measurements of Acoustical and Airflow Performance of Duct Liner Materials and Prefabricated Silencers
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Standard Test Method for Laboratory Measurement of the Insertion Loss of Pipe Lagging Systems