View Historical Standards for C384:

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Document Designation and Title Year Select Item(s) C384 Standard Test Method for Impedance and Absorption of Acoustical Materials by Impedance Tube Method 04 C384 Standard Test Method for Impedance and Absorption of Acoustical Materials by the Impedance Tube Method 03 C384 Standard Test Method for Impedance and Absorption of Acoustical Materials by the Impedance Tube Method 98