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Priority claimed from DE19702049284external-prioritypatent/DE2049284A1/de
Priority claimed from NL7100937Aexternal-prioritypatent/NL143871B/nl
Application filed by Kronseder HermannfiledCriticalKronseder Hermann
Publication of NL7400153ApublicationCriticalpatent/NL7400153A/xx
Publication of NL160535BpublicationCriticalpatent/NL160535B/nl
Application grantedgrantedCritical
Publication of NL160535CpublicationCriticalpatent/NL160535C/nl