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Application filed by Antoni Tarnogrodzki, Janusz PyzikfiledCriticalAntoni Tarnogrodzki
Priority to PL29453792ApriorityCriticalpatent/PL167346B1/en
Publication of PL294537A1publicationCriticalpatent/PL294537A1/en
Publication of PL167346B1publicationCriticalpatent/PL167346B1/en