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Application filed by Gustav Ing Fukas, Bobula Stanislav, Stefan Ing KrajcovicfiledCriticalGustav Ing Fukas
Priority to CS885272ApriorityCriticalpatent/CS269662B1/cs
Publication of CS527288A1publicationCriticalpatent/CS527288A1/cs
Publication of CS269662B1publicationCriticalpatent/CS269662B1/cs