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Application filed by Josef NapravnikfiledCriticalJosef Napravnik
Priority to CS904843ApriorityCriticalpatent/CZ278023B6/cs
Priority to SK484390Aprioritypatent/SK278627B6/sk
Publication of CS484390A3publicationCriticalpatent/CS484390A3/cs
Publication of CZ278023B6publicationCriticalpatent/CZ278023B6/cs