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Priority claimed from DE19742452022external-prioritypatent/DE2452022A1/de
Priority claimed from DE7436715Uexternal-prioritypatent/DE7436715U/de
Priority claimed from DE19752514104external-prioritypatent/DE2514104A1/de
Application filed by Corro Coat AsfiledCriticalCorro Coat As
Publication of FI752982A7publicationCriticalpatent/FI752982A7/fi