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Priority claimed from FR8102820Aexternal-prioritypatent/FR2500031A1/fr
Application filed by Pont A Mousson, Emile Pierre RochefiledCriticalPont A Mousson
Priority to AT15184ApriorityCriticalpatent/AT378548B/de
Publication of ATA15184ApublicationCriticalpatent/ATA15184A/de
Application grantedgrantedCritical
Publication of AT378548BpublicationCriticalpatent/AT378548B/de