Reinforced concrete side ditch for road, which can protect small animals

The utility model provides a reinforced concrete side ditch for a road, which can protect small animals. Method of the utility model, the escape device comprises a small animal escape passage and a stepped escape ladder stand which are arranged on the outer side of a road side ditch, wherein the sma...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KOU SIQI, LI GANG, LIU HONGBO
Format: Patent
Sprache:chi ; eng
Schlagworte:
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