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Priority claimed from AT453972Aexternal-prioritypatent/AT342995B/de
Application filed by Tri Ordinate CorpfiledCriticalTri Ordinate Corp
Priority to AT784573ApriorityCriticalpatent/AT339764B/de
Publication of ATA784573ApublicationCriticalpatent/ATA784573A/de
Application grantedgrantedCritical
Publication of AT339764BpublicationCriticalpatent/AT339764B/de