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Application filed by Pavel Ing Voslar, Emil Ing Blazek, Irena LukesovafiledCriticalPavel Ing Voslar
Priority to CS838659ApriorityCriticalpatent/CS239119B1/cs
Publication of CS865983A1publicationCriticalpatent/CS865983A1/cs
Publication of CS239119B1publicationCriticalpatent/CS239119B1/cs