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Application filed by Bielska Spoldzielnia NiewidomyfiledCriticalBielska Spoldzielnia Niewidomy
Priority to PL10616097UpriorityCriticalpatent/PL58777Y1/en
Publication of PL106160U1publicationCriticalpatent/PL106160U1/en
Publication of PL58777Y1publicationCriticalpatent/PL58777Y1/en