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Priority claimed from HU241582Aexternal-prioritypatent/HU184006B/hu
Priority claimed from HU82517Aexternal-prioritypatent/HU184506B/hu
Application filed by Budapesti VegyimuevekfiledCriticalBudapesti Vegyimuevek
Publication of GR77931BpublicationCriticalpatent/GR77931B/el