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Application filed by Messer Griesheim Gmbh, Kaiser Preussag Aluminium GmbhfiledCriticalMesser Griesheim Gmbh
Priority to DK31874ApriorityCriticalpatent/DK139424B/da
Publication of DK31874ApublicationCriticalpatent/DK31874A/da
Publication of DK139424BpublicationCriticalpatent/DK139424B/da
Application grantedgrantedCritical
Publication of DK139424CpublicationCriticalpatent/DK139424C/da