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Application filed by Stransky Oldrich, Miloslav Ing Lejcek, Martin Ing MaresfiledCriticalStransky Oldrich
Priority to CS878913ApriorityCriticalpatent/CS267998B1/cs
Publication of CS891387A1publicationCriticalpatent/CS891387A1/cs
Publication of CS267998B1publicationCriticalpatent/CS267998B1/cs