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Priority claimed from GB5158574Aexternal-prioritypatent/GB1471547A/en
Priority claimed from DE19752547968external-prioritypatent/DE2547968A1/en
Application filed by Basf Ag, Kent Peter Jan, John Eric PhillipsfiledCriticalBasf Ag
Publication of TR19038ApublicationCriticalpatent/TR19038A/en