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Priority claimed from DE19742439034external-prioritypatent/DE2439034C3/de
Priority claimed from DE19752530936external-prioritypatent/DE2530936C3/de
Application filed by Saint GobainfiledCriticalSaint Gobain
Publication of ATA554775ApublicationCriticalpatent/ATA554775A/de
Application grantedgrantedCritical
Publication of AT361690BpublicationCriticalpatent/AT361690B/de