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Application filed by Mieczysław Marciniak, Józef GrzybowskifiledCriticalMieczysław Marciniak
Priority to PL389390ApriorityCriticalpatent/PL219103B1/pl
Publication of PL389390A1publicationCriticalpatent/PL389390A1/pl
Publication of PL219103B1publicationCriticalpatent/PL219103B1/pl