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 Skanska Attikfabriken AbfiledCriticalSkanska Attikfabriken Ab
Priority to BE589197ApriorityCriticalpatent/BE589197A/en
Publication of BE589197ApublicationCriticalpatent/BE589197A/en