Trackless construction measuring instrument for overhead line system in tunnel

The utility model discloses a trackless construction measuring instrument for an overhead line system in a tunnel, and belongs to the technical field of tunnel engineering measurement. The trackless construction measuring instrument for the contact network in the tunnel is low in manufacturing cost,...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HAN TIBIN, MIAO JIAJIE, WEN HAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	GYROSCOPIC INSTRUMENTS MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING
Online-Zugang:	Volltext bestellen
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