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Application filed by Matyasovsky Jan, Bezak Andrej, Jan Ing GerbelfiledCriticalMatyasovsky Jan
Priority to CS884077ApriorityCriticalpatent/CS269590B1/en
Publication of CS407788A1publicationCriticalpatent/CS407788A1/en
Publication of CS269590B1publicationCriticalpatent/CS269590B1/en