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Application filed by Josef Brustik, Pavel Hrbek, Mojmir Weidinger, Josef RychlyfiledCriticalJosef Brustik
Priority to CS835048ApriorityCriticalpatent/CS241385B1/en
Publication of CS504883A1publicationCriticalpatent/CS504883A1/en
Publication of CS241385B1publicationCriticalpatent/CS241385B1/en