SOUND-ABSORBING MEMBER, SOUND-ABSORBING PANEL, AND SOUND-ABSORBING WALL

A sound-absorbing unit 10 has a plurality of hollow portions having shapes and/or sizes different from each other. In a perforated plate 20 constituting walls of hollow portions included in the plurality of hollow portions, perforations that cause the inside and the outside of the hollow portions to...

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Bibliographische Detailangaben
Hauptverfasser:	TAIRA Yudai, GOMI Masaki
Format:	Patent
Sprache:	eng ; fre ; jpn
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE BUILDING CEILINGS CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS INSULATION OR OTHER PROTECTION OF BUILDINGS MACHINES FOR MAKING RAILWAYS OF ALL KINDS METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PERMANENT WAY PERMANENT-WAY TOOLS PHYSICS ROOFS SOUND-PRODUCING DEVICES WALLS, e.g. PARTITIONS
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