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Application filed by Lucjan Lagiewka, Ryszard Wozniak, Boguslaw Jamrozek, Wladyslaw Jamrozek, Edmund Oskulski, Jerzy Sobien, Franciszek AdamczukfiledCriticalLucjan Lagiewka
Priority to PL31609796ApriorityCriticalpatent/PL316097A1/en
Publication of PL316097A1publicationCriticalpatent/PL316097A1/en