 It was widely licensed and formed the basis for many successful designs.Among the licensees were Industria Aeronautică Română in Romania, Manfred Weiss in Hungary, Alvis of the UK, Tumansky in the USSR, Walter of Czechoslovakia, and Isotta Fraschini and Piaggio in Italy.Nakajima in Japan also licensed it, but did not put it into production, developing their own designs based on features taken from the Mistral and other designs.