Metro plane control point survey mark and use method thereof

The invention discloses a metro plane control point surveying mark and a using method thereof, and relates to the field of engineering surveying, the metro plane control point surveying mark comprises an embedded nail, a support and a surveying instrument body, the support is installed at the upper...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	QIN QIWU, TIAN CHAO, ZHANG YAOYANG, MENG FANLONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	GYROSCOPIC INSTRUMENTS MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING
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