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Application filed by Novak Jiri, Vilem Scharhag, Albert Rutzenstorfer, Jan Dousa, Pavel Simunek, Stanislav FormanekfiledCriticalNovak Jiri
Priority to CS886430ApriorityCriticalpatent/CS271897B1/en
Publication of CS643088A1publicationCriticalpatent/CS643088A1/en
Publication of CS271897B1publicationCriticalpatent/CS271897B1/en