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Application filed by Konstantin Ing Margeta, Jan MichaliskofiledCriticalKonstantin Ing Margeta
Priority to CS881202ApriorityCriticalpatent/CS264498B1/en
Publication of CS120288A1publicationCriticalpatent/CS120288A1/en
Publication of CS264498B1publicationCriticalpatent/CS264498B1/en