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Application filed by Jeronym Ing Jenista, Antonin Ing Csc Malypetr, Blaha Jaromir, Frantisek Ing Csc Vintner, Jan Ing Kolas, Drahomir Ing Csc SokolfiledCriticalJeronym Ing Jenista
Priority to CS848058ApriorityCriticalpatent/CS246287B1/en
Publication of CS805884A1publicationCriticalpatent/CS805884A1/en
Publication of CS246287B1publicationCriticalpatent/CS246287B1/en