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Priority claimed from NL8602388Aexternal-prioritypatent/NL8602388A/nl
Priority claimed from NL8700418Aexternal-prioritypatent/NL8700418A/nl
Application filed by Langen ResearchfiledCriticalLangen Research
Priority claimed from EP87201787Aexternal-prioritypatent/EP0262722B1/de
Application grantedgrantedCritical
Publication of ATE83125T1publicationCriticalpatent/ATE83125T1/de