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Application filed by Oldrich Ing Nechyba, Jaroslav Knoulich, Josef Pavlista, Ladislav Fix, Emanuel Bruna, Rudolf Vrbacky, Ladislav MoravecfiledCriticalOldrich Ing Nechyba
Priority to CS848824ApriorityCriticalpatent/CS254853B1/cs
Publication of CS882484A1publicationCriticalpatent/CS882484A1/cs
Publication of CS254853B1publicationCriticalpatent/CS254853B1/cs