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Application filed by Santrade Ltd.filedCriticalSantrade Ltd.
Priority claimed from EP79850084Aexternal-prioritypatent/EP0010074B1/en
Priority claimed from EP19820200175external-prioritypatent/EP0055998B2/en
Priority claimed from KR7903268Aexternal-prioritypatent/KR820001708B1/en
Application grantedgrantedCritical
Publication of ATE9657T1publicationCriticalpatent/ATE9657T1/en