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Publication date
Priority claimed from BE180561Aexternal-prioritypatent/BE858266A/en
Priority claimed from DK386178Aexternal-prioritypatent/DK151109B/en
Application filed by Sture EricsonfiledCriticalSture Ericson
Priority to DK279385ApriorityCriticalpatent/DK279385D0/en
Publication of DK279385ApublicationCriticalpatent/DK279385A/en
Publication of DK279385D0publicationCriticalpatent/DK279385D0/en