Request for Proposals No. 1352484  Зарегистрируйтесь, чтобы сохранять процедуры в Избранное

Screens for coal preparation processes according to the terms of reference of the design institute. 1) . Rumble of wet coal classification; 2) . The roar of the dehydration of the concentrate of spiral separators; 3) . The roar of the...