Protective isolation device for civil engineering construction

The utility model relates to the technical field of civil engineering, in particular to a protective isolation device for civil engineering construction. Comprising a placing frame, two rotating columns are fixedly installed on the inner wall of the placing frame, a main sleeve frame is rotatably co...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LAI YAOYAO, JIN SHENGJI, LI QI
Format: Patent
Sprache:chi ; eng
Schlagworte:
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