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Application filed by Konecny Lubos, Josef Ing Janis, Otakar KonirfiledCriticalKonecny Lubos
Priority to CS742682ApriorityCriticalpatent/CS228758B1/cs
Priority to DD25578883Aprioritypatent/DD230526A3/de
Publication of CS228758B1publicationCriticalpatent/CS228758B1/cs