Underground measurement centering windproof device

The utility model discloses a centering windproof device for underground measurement. The device comprises a roadway and a stand column vertically arranged in the roadway. The stand column is limitedat the top end of a roadway through a fixing mechanism. Shielding windproof mechanisms are symmetrica...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	DING MINGDONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!