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Priority claimed from DE19707010571external-prioritypatent/DE7010571U/de
Application filed by Saint GobainfiledCriticalSaint Gobain
Priority claimed from AT234971Aexternal-prioritypatent/AT318012B/de
Publication of ATA538373ApublicationCriticalpatent/ATA538373A/de
Application grantedgrantedCritical
Publication of AT328512BpublicationCriticalpatent/AT328512B/de