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 Machf J & H W Van Der Ploeg NvfiledCriticalMachf J & H W Van Der Ploeg Nv
Application grantedgrantedCritical
Publication of DK45119CpublicationCriticalpatent/DK45119C/da