Synonyme wurden verwendet für:
mining
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keywords:(mining)
Transportation of pipes, long lumber, and rails in Friedrich Heinrich mine
Transportation of material by underground suspension monorail railway
Trackless transportation in ore mine of Kiruna
The introduction of automobiles for mining work
Switches for underground electric locomotive traction
Giant bucket wheel crawler excavator with carriage for 90-m height of cut
Fahrwerke der kontinuierlich arbeitenden Tagebaugeraete
Face pressure and cleat in underground workings
Electronically controlled braking and transportation devices in mine car circulation
Development of trackless transportation in Styrian Ersberg
Comparison of horse and benzine-locomotive haulage
Betriebskosten und Selbstkosten der Zechenbahnen
Application of compressed air in linite industry
An automatic signal system for crossovers on underground railways operated by electric locomotives