Non-woven fabric laminate for sound-absorbing material, and sound-absorbing material

The present invention addresses the problem of providing a non-woven fabric for sound-absorbing materials and a sound-absorbing material that have excellent sound-absorbing performance and excellent thickness recovery and followability during molding. In order to solve the problem, provided is a non...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	NAKAHARA MAKOTO, OMORI TAIRA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PHYSICS SOUND-PRODUCING DEVICES
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