Synonyme wurden verwendet für:
Kohle
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keywords:(Kohle)
Analysis of performance of some sections of underground transportation
Mechanization of coal loading into open top railroad cars using control with single drive
Loading coal into railroad cars at mines without using bins
Results of study of hydraulic transportation of stowing material
Present state of developments in hydraulic transportation in coal industry
Underground aerial cableway for transportation of passengers
Rationelle Brennstoffnutzung durch die Hafenanlagen des Schiffsfahrtministeriums
Coal wagon thawing facility type INFRASIB with electric band heaters
Analyse der wirtschaftlichen Entwicklung wichtiger Industriezweige