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Application filed by Jindrich Houzvicka, Manek Bretislav, Vratislav Ing Balounek, Zbynek Ing BlechafiledCriticalJindrich Houzvicka
Priority to CS865942ApriorityCriticalpatent/CS267205B1/cs
Publication of CS594286A1publicationCriticalpatent/CS594286A1/cs
Publication of CS267205B1publicationCriticalpatent/CS267205B1/cs