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Application filed by Dow CorningfiledCriticalDow Corning
Priority claimed from AT875971Aexternal-prioritypatent/AT325855B/en
Publication of ATA670174ApublicationCriticalpatent/ATA670174A/en
Application grantedgrantedCritical
Publication of AT329865BpublicationCriticalpatent/AT329865B/en