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Application filed by Politechnika BialostockafiledCriticalPolitechnika Bialostocka
Priority to PL21275179ApriorityCriticalpatent/PL114946B2/pl
Publication of PL212751A1publicationCriticalpatent/PL212751A1/pl
Publication of PL114946B2publicationCriticalpatent/PL114946B2/pl
PL21275179A1979-01-101979-01-10Current system designed to protect ac motors against operation without complete number of supply power phases
PL114946B2
(en)