Commission Regulation (EC) No 1289/2005 of 4 August 2005 initiating an investigation concerning the possible circumvention of anti-dumping measures imposed by Council Regulation (EC) No 408/2002 on imports of certain zinc oxides originating in the People's Republic of China by imports of certain zinc oxides consigned from Kazakhstan, whether declared as originating in Kazakhstan or not, and making such imports subject to registration