Technical advances in the mechanization and automation of face work in thin (less than 1.2 m), gently sloping (0.35) seams; choice of methods of working such seams according to geological, technical and economic conditions : consolidated report / transmitted by the Government of Ukrainian Soviet Socialist Republic.
1982
Полное описание
Условное обозначение[E/]ECE/COAL/67
ЗаглавиеTechnical advances in the mechanization and automation of face work in thin (less than 1.2 m), gently sloping (0.35) seams; choice of methods of working such seams according to geological, technical and economic conditions : consolidated report / transmitted by the Government of Ukrainian Soviet Socialist Republic.
АвторыUkrainian SSR
ДатаGeneva : UN, 18 Oct. 1982.
Описание
1 p.