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Application filed by Krajowy Zwiazek ElektrotechnicfiledCriticalKrajowy Zwiazek Elektrotechnic
Priority to PL23930782ApriorityCriticalpatent/PL130903B2/en
Publication of PL239307A2publicationCriticalpatent/PL239307A2/en
Publication of PL130903B2publicationCriticalpatent/PL130903B2/en