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Application filed by Wytwornia Konstrukcji StalowycfiledCriticalWytwornia Konstrukcji Stalowyc
Priority to PL20169877ApriorityCriticalpatent/PL112765B1/pl
Publication of PL201698A1publicationCriticalpatent/PL201698A1/pl
Publication of PL112765B1publicationCriticalpatent/PL112765B1/pl