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Application filed by Kopecky Ladislav, Tluchor Jiri, Vojtech VejvodafiledCriticalKopecky Ladislav
Priority to CS881584ApriorityCriticalpatent/CS269226B1/cs
Publication of CS158488A1publicationCriticalpatent/CS158488A1/cs
Publication of CS269226B1publicationCriticalpatent/CS269226B1/cs