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Priority claimed from DE19782853054external-prioritypatent/DE2853054C3/en
Priority claimed from DE19792941802external-prioritypatent/DE2941802C2/en
Application filed by Santrade Ltd.filedCriticalSantrade Ltd.
Priority claimed from EP79104136Aexternal-prioritypatent/EP0012192B1/en
Application grantedgrantedCritical
Publication of ATE2205T1publicationCriticalpatent/ATE2205T1/en