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Application filed by Andrzej Bojanek, Jerzy BojanekfiledCriticalAndrzej Bojanek
Priority to PL10706497UpriorityCriticalpatent/PL59411Y1/en
Publication of PL107064U1publicationCriticalpatent/PL107064U1/en
Publication of PL59411Y1publicationCriticalpatent/PL59411Y1/en