Composite non-woven sound absorption cotton

The utility model relates to the technical field of sound absorption materials and aims at providing composite non-woven sound absorption cotton which is good in sound absorption and thermal insulation. The composite non-woven sound absorption cotton comprises a sound absorption cotton main body, su...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SUN JIANLIN, DU SHANHUA, XIANG GONGRU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PERFORMING OPERATIONS PHYSICS SOUND-PRODUCING DEVICES TRANSPORTING
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