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 Vaillant Joh KgfiledCriticalVaillant Joh Kg
Priority to DK423156ApriorityCriticalpatent/DK93781C/en
Application grantedgrantedCritical
Publication of DK93781CpublicationCriticalpatent/DK93781C/en