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Application filed by Jaroslav Ing Csc Fator, Karel Ing Hrncir, Jaromir Vicenik, Marie Beladova, Ladislav Cizinsky, Jan Ing Zeman, Sabata Stanislav, Josef Ing Matejka, Vilem PreislerfiledCriticalJaroslav Ing Csc Fator
Priority to CS85651ApriorityCriticalpatent/CS253080B1/en
Publication of CS65185A1publicationCriticalpatent/CS65185A1/en
Publication of CS253080B1publicationCriticalpatent/CS253080B1/en