Question: What date was the manufacturing company who developed the sounding rocket named Zenit-C renamed?
Sentence (from "Rheinmetall Air Defence"): Oerlikon Contraves was a Swiss anti-aircraft artillery manufacturer famous for its adaptation of the 1916 20 mm Becker as the Oerlikon 20 mm autocannon design, which was used in the Second World War and still in use today.
Relevant evidence: No