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Application filed by Old Bury AnstaltfiledCriticalOld Bury Anstalt
Priority to AT547174ApriorityCriticalpatent/AT332241B/de
Publication of ATA547174ApublicationCriticalpatent/ATA547174A/de
Application grantedgrantedCritical
Publication of AT332241BpublicationCriticalpatent/AT332241B/de