Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Tests on two different sizes of square duct lined with different sound absorbing materials; effects of covering lining with perforated sheeting designed to absorb at specific frequency.
Tests on two different sizes of square duct lined with different sound absorbing materials; effects of covering lining with perforated sheeting designed to absorb at specific frequency.
Attenuation of noise in ventilating ducts
Instn Heating Vent Engrs -- J
Jones, W.P. (Autor:in)
1955
18 pages
Aufsatz (Zeitschrift)
Englisch
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