Bucket belt bucket elevator of NCC model modification 2NTsK-350-U Bucket draw frame of NCC model NCC-200-U modification Bucket draw frame of NCC model NCC-5-U modification Bucket belt bucket elevator of NCC model modification 2NTsK-250-U Bucket belt bucket elevator of NCC model NCC-50-U modification Bucket belt bucket elevator of NCC model modification 2NTsK-100-U Bucket belt bucket elevator of NCC model modification 2NTsK-175-U Bucket draw frame of NCC model NCC-175-U modification Bucket belt bucket elevator of NCC model modification 2NTsK-50-U NCC model bucket belt bucket elevator, modification 2NTsK-20-U Bucket belt bucket elevator of NCC model modification 2NTsK-10-U Bucket belt bucket elevator of NCC model NCC-20-U modification Bucket belt dipper NCC model NCC-100-U modification Bucket belt bucket elevator of NCC model modification 2NTsK-300-U