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 Johansons Metallfabrik A B AgfiledCriticalJohansons Metallfabrik A B Ag
Application grantedgrantedCritical
Publication of DK78047CpublicationCriticalpatent/DK78047C/da