Novel coal piling protection device

The utility model discloses a novel coal piling protection device, including chute, little door and travel switch, set up the hole on the lateral wall of chute, the one end of little door is fixed inthe hole top, and little door can open and shut around the fixed point, travel switch sets up on the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LI HONGXIANG, GUO YANXIONG
Format: Patent
Sprache:chi ; eng
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