Dustproof noise reduction device for constructional engineering

The utility model discloses a dustproof noise reduction device for constructional engineering, particularly relates to the technical field of constructional engineering, and comprises a box body, a sound absorber frame is fixedly mounted at the front end of the inner wall of the box body, a water ta...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN YONGXIA, CHEN TONGSHUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUILDING CEILINGS FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS INSULATION OR OTHER PROTECTION OF BUILDINGS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ROOFS SEPARATION TRANSPORTING WALLS, e.g. PARTITIONS
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