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Priority claimed from DE19883814005external-prioritypatent/DE3814005A1/de
Priority claimed from DE19883814012external-prioritypatent/DE3814012A1/de
Priority claimed from DE19883832825external-prioritypatent/DE3832825A1/de
Application filed by Norbert KillefiledCriticalNorbert Kille
Priority claimed from EP89107485Aexternal-prioritypatent/EP0339581B1/de
Application grantedgrantedCritical
Publication of ATE87051T1publicationCriticalpatent/ATE87051T1/de