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Priority claimed from DE3301515Aexternal-prioritypatent/DE3301515A1/en
Application filed by Wella AgfiledCriticalWella Ag
Publication of NO843722LpublicationCriticalpatent/NO843722L/en
Publication of NO163513BpublicationCriticalpatent/NO163513B/en
Publication of NO163513CpublicationCriticalpatent/NO163513C/en