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Application filed by British Visqueen LtdfiledCriticalBritish Visqueen Ltd
Priority to DK522773ApriorityCriticalpatent/DK139667B/en
Publication of DK522773ApublicationCriticalpatent/DK522773A/da
Publication of DK139667BpublicationCriticalpatent/DK139667B/en
Application grantedgrantedCritical
Publication of DK139667CpublicationCriticalpatent/DK139667C/da