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Priority claimed from US448758Aexternal-prioritypatent/US3922153A/en
Application filed by Baltimore Aircoil Co Inc.filedCriticalBaltimore Aircoil Co Inc.
Priority to DK421276ApriorityCriticalpatent/DK140296B/da
Publication of DK421276ApublicationCriticalpatent/DK421276A/da
Publication of DK140296BpublicationCriticalpatent/DK140296B/da
Application grantedgrantedCritical
Publication of DK140296CpublicationCriticalpatent/DK140296C/da