Commission Implementing Regulation (EU) 2019/2171 of 17 December 2019 initiating an investigation concerning possible circumvention of anti-dumping measures imposed by Implementing Regulation (EU) 2019/1267 on imports of tungsten electrodes originating in the People’s Republic of China by imports of tungsten electrodes consigned from India, Laos and Thailand, whether declared as originating in India, Laos and Thailand or not, and making such imports subject to registration