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Priority to PL26648487ApriorityCriticalpatent/PL151582B2/en
Publication of PL266484A2publicationCriticalpatent/PL266484A2/en
Publication of PL151582B2publicationCriticalpatent/PL151582B2/en
PL26648487A1987-06-251987-06-25
Instrument for checking the electronic digital position indicator, tap changer of the block transformer
PL151582B2
(en)