A Huawei logo is seen on a cell phone screen in their store at Vina del Mar, Chile July 18, 2019. REUTERS/Rodrigo Garrido/File photo BERLIN, Aug 4 (Reuters) - Germany's national railway operator would have to spend up to 400 million euros ($437.44 million) to replace all the components in its infrastructure supplied by Chinese tech giant Huawei Technologies [RIC:RIC:HWT.UL], Spiegel magazine reported on Friday. Deutsche Bahn, which is state-owned, would face delays of five to six years for its projects if the German government decided to ban Huawei components in the short term, the report said, citing an internal...