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
Priority claimed from DK557081Aexternal-prioritypatent/DK147637C/en
Application filed by Aalborg Portland CementfiledCriticalAalborg Portland Cement
Priority to DK440383ApriorityCriticalpatent/DK440383D0/en
Publication of DK440383ApublicationCriticalpatent/DK440383A/en
Publication of DK440383D0publicationCriticalpatent/DK440383D0/en