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Application filed by Akad Gorniczo HutniczafiledCriticalAkad Gorniczo Hutnicza
Priority to PL344123ApriorityCriticalpatent/PL198246B1/en
Publication of PL344123A1publicationCriticalpatent/PL344123A1/en
Publication of PL198246B1publicationCriticalpatent/PL198246B1/en