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.)
Filing date
Publication date
Application filed by R K Betonelementer K SfiledCriticalR K Betonelementer K S
Priority to DK231777ApriorityCriticalpatent/DK146419C/da
Publication of DK231777ApublicationCriticalpatent/DK231777A/da
Publication of DK146419BpublicationCriticalpatent/DK146419B/da
Application grantedgrantedCritical
Publication of DK146419CpublicationCriticalpatent/DK146419C/da