Automatic that changes intelligent control has a rail inflatable wall that gives sound insulation

The utility model provides an automatic that changes intelligent control has a rail inflatable wall that gives sound insulation belongs to the noise reduction device field, and its structure includesthe guide rail and give sound insulation the wall, the guide rail is provided with the several respec...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	NIU HUAXIAN, WANG LIANGCHAO, GAO JIAXIN, ZHAO HAIFENG, XU BIN, WANG YANG, CHEN QIANZHONG, DENG XIULI, MING XIANYONG, LIU DAKAI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUILDING BUILDING MATERIALS FIXED CONSTRUCTIONS STRUCTURAL ELEMENTS
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