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Application filed by Bohuslav Bures, Vladimir Franc, Frantisek Jusko, Frantisek Kasnik, Josef Pridal, Milan UrbanekfiledCriticalBohuslav Bures
Priority to CS678077ApriorityCriticalpatent/CS193947B1/cs
Publication of CS193947B1publicationCriticalpatent/CS193947B1/cs