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Application filed by Władysław SkrzypczakfiledCriticalWładysław Skrzypczak
Priority to PL391902ApriorityCriticalpatent/PL216411B1/en
Publication of PL391902A1publicationCriticalpatent/PL391902A1/en
Publication of PL216411B1publicationCriticalpatent/PL216411B1/en