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Priority claimed from DE19873707201external-prioritypatent/DE3707201A1/en
Priority claimed from DE8703403Uexternal-prioritypatent/DE8703403U1/en
Priority claimed from DE19873713653external-prioritypatent/DE3713653A1/en
Application filed by Ikon Ag Praezis TechfiledCriticalIkon Ag Praezis Tech
Priority claimed from EP88730048Aexternal-prioritypatent/EP0281507B1/en
Application grantedgrantedCritical
Publication of ATE53428T1publicationCriticalpatent/ATE53428T1/en