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Application filed by Karel Ing Herzmansky, Jindrich Marso, Oldrich VojtekfiledCriticalKarel Ing Herzmansky
Priority to CS838060ApriorityCriticalpatent/CS243082B1/cs
Publication of CS806083A1publicationCriticalpatent/CS806083A1/cs
Publication of CS243082B1publicationCriticalpatent/CS243082B1/cs