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 Protokolfabrikant Carl C WeberfiledCriticalProtokolfabrikant Carl C Weber
Application grantedgrantedCritical
Publication of DK36880CpublicationCriticalpatent/DK36880C/da