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Application filed by Spółdzielnia Rzemieślnicza ElektrotechnikafiledCriticalSpółdzielnia Rzemieślnicza Elektrotechnika
Priority to PL380182ApriorityCriticalpatent/PL211486B1/pl
Publication of PL380182A1publicationCriticalpatent/PL380182A1/pl
Publication of PL211486B1publicationCriticalpatent/PL211486B1/pl