Rock drilling machine drilling direction measuring device and method

The invention provides a rock drilling machine drilling direction measuring device and method, and relates to the field of handheld geological drilling machines. A first steel bar, a second steel barof an orientation rod and a third steel bar of the orientation rod are arranged in a rectangular open...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	REN XUYAN
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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