Sound reduction membrane

Details Sound reduction membrane Sound reduction membrane

E - Fixed Constructions

04

B

181/14

E04B 1/84 (2006.01) E04B 1/82 (2006.01)

Patent

CA 1324580

TITLE Sound Reduction Membrane ABSTRACT OF THE DISCLOSURE A volumetric sound absorber for audible sound frequencies is made from a thin sheet material that is permeable to air with thickness, mass and flow resistance within specified ranges.

568441

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