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Application filed by Podstanicky Alexander, Tibor Ing Hrnko, Jozef Ing Csc KotuliakfiledCriticalPodstanicky Alexander
Priority to CS885617ApriorityCriticalpatent/CS269670B1/en
Publication of CS561788A1publicationCriticalpatent/CS561788A1/en
Publication of CS269670B1publicationCriticalpatent/CS269670B1/en