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Application filed by Katowice Metalurgiczny HutafiledCriticalKatowice Metalurgiczny Huta
Priority to PL23828882ApriorityCriticalpatent/PL138445B1/en
Publication of PL238288A1publicationCriticalpatent/PL238288A1/en
Publication of PL138445B1publicationCriticalpatent/PL138445B1/en