Terrestrial magnetism in relation to mine surveying
Colly Gdn
1918
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
European Patent Office | 2021
|Unmanned aerial vehicle for surveying and mapping opencast coal mine
European Patent Office | 2023
|Intersection traffic detection system using the terrestrial magnetism sensor
European Patent Office | 2017
|