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Application filed by Andrzej Modrzejewski, Zbigniew StecfiledCriticalAndrzej Modrzejewski
Priority to PL29995693ApriorityCriticalpatent/PL171908B1/en
Publication of PL299956A1publicationCriticalpatent/PL299956A1/en
Publication of PL171908B1publicationCriticalpatent/PL171908B1/en