Question: The DUX-53 and DUX-59 were submachine guns designed at the Oviedo Arsenal in which country, a large number of these weapons were produced for the West German Border Guard, and was later licensed to be produced by Anschütz and Mauser, a German arms manufacturer?
Sentence (from "Mauser"): Their line of bolt-action rifles and semi-automatic pistols have been produced since the 1870s for the German armed forces.
Relevant evidence: No