WesermÃ 1\/4 nde received another name and was called Bremerhaven from 1947 , and the station received the new name too and was now called Bremerhaven Hauptbahnhof . The station name changed again when WesermÃ 1\/4 nde was renamed to Bremerhaven in 1947 , and the station became known as Bremerhaven Hauptbahnhof .