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Application filed by Energopomiar Elektryka ZakladfiledCriticalEnergopomiar Elektryka Zaklad
Priority to PL29308092ApriorityCriticalpatent/PL167107B1/en
Publication of PL293080A1publicationCriticalpatent/PL293080A1/en
Publication of PL167107B1publicationCriticalpatent/PL167107B1/en