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Application filed by Pavol Ing Pcola, Zdenek Ing KarascakfiledCriticalPavol Ing Pcola
Priority to CS856027ApriorityCriticalpatent/CS258917B1/en
Publication of CS602785A1publicationCriticalpatent/CS602785A1/en
Publication of CS258917B1publicationCriticalpatent/CS258917B1/en