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Application filed by Zelmot Zaklady ElektrotechnikifiledCriticalZelmot Zaklady Elektrotechniki
Priority to PL28253089ApriorityCriticalpatent/PL160749B1/en
Publication of PL282530A1publicationCriticalpatent/PL282530A1/en
Publication of PL160749B1publicationCriticalpatent/PL160749B1/en