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Application filed by Antonin Loeffelmann, Josef Ing PittrfiledCriticalAntonin Loeffelmann
Priority to CS849625ApriorityCriticalpatent/CS244238B1/en
Publication of CS962584A1publicationCriticalpatent/CS962584A1/en
Publication of CS244238B1publicationCriticalpatent/CS244238B1/en