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Application filed by Kazimierz SielskifiledCriticalKazimierz Sielski
Priority to PL118489UpriorityCriticalpatent/PL65764Y1/en
Publication of PL118489U1publicationCriticalpatent/PL118489U1/en
Publication of PL65764Y1publicationCriticalpatent/PL65764Y1/en