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Application filed by Spitzer SiegwardfiledCriticalSpitzer Siegward
Priority to AT280988ApriorityCriticalpatent/AT405558B/de
Publication of ATA280988ApublicationCriticalpatent/ATA280988A/de
Application grantedgrantedCritical
Publication of AT405558BpublicationCriticalpatent/AT405558B/de