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Application filed by Halamek Emil, Prikryl Frantisek, Jiri Ing Tesarek, Soucek Jan, Josef Doc Ing Csc Kellner, Antonin Kremlicka, Vaclav Veverka, Olga KalaskovafiledCriticalHalamek Emil
Priority to CS84272ApriorityCriticalpatent/CS239710B1/en
Publication of CS27284A1publicationCriticalpatent/CS27284A1/en
Publication of CS239710B1publicationCriticalpatent/CS239710B1/en