Coal-face operations with mechanized and automated systems / transmitted by the Government of Poland.
1983
Detalles de los registros
Signatura[E/ECE/]COAL/GE.4/R.24/Add.5
TítuloCoal-face operations with mechanized and automated systems / transmitted by the Government of Poland.
AutoresPoland
FechaGeneva : UN, 19 Dec. 1983.
Descripción
14, 7 p. : diagrams, graph, tables