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Priority claimed from DE19853519375external-prioritypatent/DE3519375A1/en
Priority claimed from DE19853535637external-prioritypatent/DE3535637A1/en
Application filed by Fritz SchmidtfiledCriticalFritz Schmidt
Priority claimed from EP86903221Aexternal-prioritypatent/EP0224516B1/en
Application grantedgrantedCritical
Publication of ATE61460T1publicationCriticalpatent/ATE61460T1/en