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 Niels Nielsen, Viggo PedersenfiledCriticalNiels Nielsen
Priority to DK242445ApriorityCriticalpatent/DK69518C/da
Application grantedgrantedCritical
Publication of DK69518CpublicationCriticalpatent/DK69518C/da