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Application filed by Zygmunt NiedźwiedźfiledCriticalZygmunt Niedźwiedź
Priority to PL370569ApriorityCriticalpatent/PL211504B1/pl
Publication of PL370569A1publicationCriticalpatent/PL370569A1/pl
Publication of PL211504B1publicationCriticalpatent/PL211504B1/pl