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Application filed by Ludwik WitczakfiledCriticalLudwik Witczak
Priority to PL10262695UpriorityCriticalpatent/PL57005Y1/en
Publication of PL102626U1publicationCriticalpatent/PL102626U1/en
Publication of PL57005Y1publicationCriticalpatent/PL57005Y1/en