23112 Dry Screening Of Iron Ore Fines
Oecdorg - Oecd 23112 Dry Screening Of Iron Ore Fines. This division excludes manufacturing activities such as the roasting of iron pyrites see class 2011 the production of aluminium oxide see class 2420 and the operation of blast furnaces see classes 2410 and 2420. 071 Mining of iron ores See class 0710. Details