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Application filed by Frantisek Ing Kolmacka, Vladimir Ing KurkafiledCriticalFrantisek Ing Kolmacka
Priority to CS858146ApriorityCriticalpatent/CS256457B1/cs
Publication of CS814685A1publicationCriticalpatent/CS814685A1/cs
Publication of CS256457B1publicationCriticalpatent/CS256457B1/cs