Commission Regulation (EC) No 1288/2005 of 4 August 2005 initiating an investigation concerning the possible circumvention of anti-dumping measures imposed by Council Regulation (EC) No 964/2003 on imports of certain tube or pipe fittings, of iron or steel originating, inter alia, in the People’s Republic of China by imports of certain tube or pipe fittings, of iron or steel, consigned from the Philippines, whether declared as originating in the Philippines or not, and making such imports subject to registration