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Application filed by Albert Valdemar AmstrupfiledCriticalAlbert Valdemar Amstrup
Priority to DK466779ApriorityCriticalpatent/DK146187C/en
Publication of DK466779ApublicationCriticalpatent/DK466779A/en
Publication of DK146187BpublicationCriticalpatent/DK146187B/en
Application grantedgrantedCritical
Publication of DK146187CpublicationCriticalpatent/DK146187C/en