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Application filed by Jiri Ing Janota, Frantisek Karasek, Josef Ing Spunda, Vocel MilanfiledCriticalJiri Ing Janota
Priority to CS832199ApriorityCriticalpatent/CS231484B1/en
Publication of CS219983A1publicationCriticalpatent/CS219983A1/en
Publication of CS231484B1publicationCriticalpatent/CS231484B1/en