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Priority claimed from DE19742454024external-prioritypatent/DE2454024B1/de
Application filed by Bergner Richard Gmbh CofiledCriticalBergner Richard Gmbh Co
Publication of FI822739A0publicationCriticalpatent/FI822739A0/fi
Publication of FI822739LpublicationCriticalpatent/FI822739L/fi
Application grantedgrantedCritical
Publication of FI67150BpublicationCriticalpatent/FI67150B/fi
Publication of FI67150CpublicationCriticalpatent/FI67150C/fi