Technical advances in the mechanization and automation of face work in thin (less than 1.2 m), gently sloping (0.35o) seams : choice of methods of working such seams according to geological, technical and economic conditions : consolidated report / transmitted by the Government of the Ukrainian Soviet Socialist Republic.
1982
Detalles de los registros
Signatura[E/ECE/]COAL/GE.1/R.37/Add.7
TítuloTechnical advances in the mechanization and automation of face work in thin (less than 1.2 m), gently sloping (0.35o) seams : choice of methods of working such seams according to geological, technical and economic conditions : consolidated report / transmitted by the Government of the Ukrainian Soviet Socialist Republic.
AutoresUkrainian SSR
Fecha[Geneva] : UN, 19 Jan. 1982.
Descripción
10 p.