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Application filed by Politechnika Warszawska, Zaklady Tworzyw Sztucznych BorfiledCriticalPolitechnika Warszawska
Priority to PL27413986ApriorityCriticalpatent/PL156357B1/en
Publication of PL274139A1publicationCriticalpatent/PL274139A1/en
Publication of PL156357B1publicationCriticalpatent/PL156357B1/en