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 Ingenioererne J Stone & CompanfiledCriticalIngenioererne J Stone & Compan
Application grantedgrantedCritical
Publication of DK25813CpublicationCriticalpatent/DK25813C/da
DK25813D1917-03-081918-03-22Anordning ved Ventiler til Trykvædskesystemer, som tjener til Lukning og Aabning af vandtætte Skodder og lignende Døre.
DK25813C
(da)