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Application filed by Arnold Pavol Kosa, Cupka Pavol, Emilia ValachovafiledCriticalArnold Pavol Kosa
Priority to CS849177ApriorityCriticalpatent/CS244338B1/en
Publication of CS917784A1publicationCriticalpatent/CS917784A1/en
Publication of CS244338B1publicationCriticalpatent/CS244338B1/en