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Priority claimed from DE19863608389external-prioritypatent/DE3608389A1/de
Priority claimed from DE19863608390external-prioritypatent/DE3608390A1/de
Priority claimed from DE19863608388external-prioritypatent/DE3608388A1/de
Application filed by Messwandler Bau AgfiledCriticalMesswandler Bau Ag
Priority claimed from EP87103201Aexternal-prioritypatent/EP0236974B1/de
Application grantedgrantedCritical
Publication of ATE76999T1publicationCriticalpatent/ATE76999T1/de