DWM underwent several name improvements subsequent World War I and the following disarmament stage. DWM was no more authorized to produce military products following World War I (Whilst they ongoing with a smaller and somewhat secret scale) and the very first name change was to BKIW (Berlin-Karlsruher Industriewerke or 'Berkawerke') https://ammunitionforsale86300.digitollblog.com/30812308/the-fact-about-ammunition-for-cannons-that-no-one-is-suggesting