Integrated mechanization at opencast coal mines using conveyor transport / transmitted by the Government of Czechoslovakia.
1981
Notice détaillée
Symbole[E/ECE/]COAL/GE.5/R.16/Add.1
TitreIntegrated mechanization at opencast coal mines using conveyor transport / transmitted by the Government of Czechoslovakia.
AuteursCzechoslovakia
DateGeneva : UN, 26 Oct. 1981.
Description
4 p.