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Application filed by Sadeckie Zaklady Elektro WeglofiledCriticalSadeckie Zaklady Elektro Weglo
Priority to PL20628878ApriorityCriticalpatent/PL111907B1/en
Publication of PL206288A1publicationCriticalpatent/PL206288A1/en
Publication of PL111907B1publicationCriticalpatent/PL111907B1/en