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Application filed by Akad Ekonom Oskara LangegofiledCriticalAkad Ekonom Oskara Langego
Priority to PL29021391ApriorityCriticalpatent/PL166899B1/en
Publication of PL290213A2publicationCriticalpatent/PL290213A2/en
Publication of PL166899B1publicationCriticalpatent/PL166899B1/en