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Priority claimed from DK332975Aexternal-prioritypatent/DK152243C/da
Application filed by J A O JohanssonfiledCriticalJ A O Johansson
Priority to DK397280ApriorityCriticalpatent/DK150781C/da
Publication of DK397280ApublicationCriticalpatent/DK397280A/da
Publication of DK150781BpublicationCriticalpatent/DK150781B/da
Application grantedgrantedCritical
Publication of DK150781CpublicationCriticalpatent/DK150781C/da