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Application filed by Kazimierz GrzegrzolkafiledCriticalKazimierz Grzegrzolka
Priority to PL28980291ApriorityCriticalpatent/PL165667B1/en
Publication of PL289802A2publicationCriticalpatent/PL289802A2/en
Publication of PL165667B1publicationCriticalpatent/PL165667B1/en