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Application filed by Armstrong Cork CofiledCriticalArmstrong Cork Co
Priority to DK594472ApriorityCriticalpatent/DK133479B/da
Publication of DK133479BpublicationCriticalpatent/DK133479B/da
Application grantedgrantedCritical
Publication of DK133479CpublicationCriticalpatent/DK133479C/da