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Application filed by Kazimierz SielskifiledCriticalKazimierz Sielski
Priority to PL118490UpriorityCriticalpatent/PL65689Y1/pl
Publication of PL118490U1publicationCriticalpatent/PL118490U1/pl
Publication of PL65689Y1publicationCriticalpatent/PL65689Y1/pl