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Application filed by Velden Cornelius Petrus V DfiledCriticalVelden Cornelius Petrus V D
Priority to AT226086ApriorityCriticalpatent/AT385173B/de
Publication of ATA226086ApublicationCriticalpatent/ATA226086A/de
Application grantedgrantedCritical
Publication of AT385173BpublicationCriticalpatent/AT385173B/de