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Application filed by Zbigniew Lyduch, Gnieciak Jerzy, Lyduch JanfiledCriticalZbigniew Lyduch
Priority to PL30208194ApriorityCriticalpatent/PL171950B1/en
Publication of PL302081A1publicationCriticalpatent/PL302081A1/en
Publication of PL171950B1publicationCriticalpatent/PL171950B1/en