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Priority claimed from CH296174Aexternal-prioritypatent/CH592949A5/fr
Application filed by Maillefer SafiledCriticalMaillefer Sa
Priority to AT985576ApriorityCriticalpatent/AT357210B/de
Publication of ATA985576ApublicationCriticalpatent/ATA985576A/de
Application grantedgrantedCritical
Publication of AT357210BpublicationCriticalpatent/AT357210B/de