MONOLITHIC ACOUSTICAL SYSTEM

A composite structure for improving the acoustical properties of a low NRC membrane including a sound absorbing layer and a porous, scrim covered, perforated drywall layer. 用于改善低NRC膜的声学特性的复合结构，其包括吸音层和多孔的稀松布覆盖的穿孔的干墙层。

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Bibliographische Detailangaben
Hauptverfasser:	DELGADO MICHAEL A, MUNOZ WILLIAM R, SCHMIDT ANDREW L, BUCK CURTIS F
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR BUILDING CEILINGS FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS INSULATION OR OTHER PROTECTION OF BUILDINGS METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PHYSICS ROOFS SOUND-PRODUCING DEVICES WALLS, e.g. PARTITIONS
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Beschreibung
Zusammenfassung:	A composite structure for improving the acoustical properties of a low NRC membrane including a sound absorbing layer and a porous, scrim covered, perforated drywall layer. 用于改善低NRC膜的声学特性的复合结构，其包括吸音层和多孔的稀松布覆盖的穿孔的干墙层。