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Priority claimed from DE3232365Aexternal-prioritypatent/DE3232365C2/de
Priority claimed from DE3312223Aexternal-prioritypatent/DE3312223C2/de
Application filed by Sick Optik Elektronik ErwinfiledCriticalSick Optik Elektronik Erwin
Priority claimed from EP83108205Aexternal-prioritypatent/EP0104414B1/de
Application grantedgrantedCritical
Publication of ATE27029T1publicationCriticalpatent/ATE27029T1/de