Standard Test Method for Impedance and Absorption of Acoustical Materials Using A Tube, Two Microphones and A Digital Frequency Analysis System
German title
Bestimmung des Scheinwiderstandes und des Schallschluckvermögens von Akustikstoffen mit dem Welligkeitsmesser, mit zwei Mikrophonen und mit dem digitalen Frequenzanalysator
Publication date
1998
reapproved: 2006
Original language
English
Pages
11
Publication date
1998
reapproved: 2006
Original language
English
Pages
11
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