From October 1944 until February 1945 about 200 Hungarian Jewish women and 50 Dutch women were forced to work making valves for the Philips-Valvo-Röhrenwerke.
1944. aasta oktoobrist 1945. aasta veebruarini sunniti umbes 200 ungari juudi naist ja 50 hollandi naist töötama Philips-Valvo-Röhrenwerke jaoks ventiile tootes.