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Application filed by Spousta Eduard, Ciernik Jan, Bartaskova Pavla, Dusan Ing Csc Ambros, Ing Csc Stastnymilan, Dagmar ElefantovafiledCriticalSpousta Eduard
Priority to CS841987ApriorityCriticalpatent/CS239737B1/en
Publication of CS198784A1publicationCriticalpatent/CS198784A1/en
Publication of CS239737B1publicationCriticalpatent/CS239737B1/en