Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Dansk Roentgen Teknik AsfiledCriticalDansk Roentgen Teknik As
Priority to DK432957ApriorityCriticalpatent/DK90183C/da
Priority to BE574137Aprioritypatent/BE574137A/fr
Application grantedgrantedCritical
Publication of DK90183CpublicationCriticalpatent/DK90183C/da