摘要: The present invention relates to a novel sound attenuating system. More particularly, the simpler, lighter, and more effective noise laminate which is made up of five specific layers material. includes duct liner, moisture barrier, fire acoustic material, solid backing sheet. readily inserted into various sections jet engine compartment in order attenuate produced by engine. Hollow rivets are used conduct acoustical energy laminate. This means for conducting allows an improved anti-icing system, efficient operation, dissipation energy.
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