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Application filed by Frantisek Skoumal, Ivos SkoumalfiledCriticalFrantisek Skoumal
Priority to CS847305ApriorityCriticalpatent/CS251340B1/cs
Publication of CS730584A1publicationCriticalpatent/CS730584A1/cs
Publication of CS251340B1publicationCriticalpatent/CS251340B1/cs