Ecological environmental protection protective screen

The utility model relates to a protective screen especially relates to an ecological environmental protection protective screen, including protective screen body, the smooth dynamic wheel group sparethat goes up and down, a door font block, inhale the cotton board of sound and the board of making an...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SANG YANHONG, SUN QIANG, LUO ZHAOHUI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FIXED CONSTRUCTIONS
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