Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe unter http://www.lignoform.com, Feb. 01
Lignoform Perforierte Platte, Perfoplatte MDF 16/16/8 mm
Original description
Lignoform perforated MDF panel for gym walls
ISO 354 – reverberation chamber
αp nach ISO 11654
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Method (354): Measured
