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Priority claimed from DE19863629729external-prioritypatent/DE3629729A1/en
Application filed by Walbroehl H T Dipl IngfiledCriticalWalbroehl H T Dipl Ing
Priority claimed from EP87111705Aexternal-prioritypatent/EP0258699B1/en
Priority claimed from DE19873726846external-prioritypatent/DE3726846A1/en
Application grantedgrantedCritical
Publication of ATE57737T1publicationCriticalpatent/ATE57737T1/en