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Priority claimed from DE19732333068external-prioritypatent/DE2333068C3/de
Application filed by DegussafiledCriticalDegussa
Priority to AT754377ApriorityCriticalpatent/AT353708B/de
Publication of ATA754377ApublicationCriticalpatent/ATA754377A/de
Application grantedgrantedCritical
Publication of AT353708BpublicationCriticalpatent/AT353708B/de