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 Grunnet & Svendsen AsfiledCriticalGrunnet & Svendsen As
Priority to DK546171ApriorityCriticalpatent/DK126049B/da
Publication of DK126049BpublicationCriticalpatent/DK126049B/da
DK546171A1971-11-081971-11-08Fremgangsmåde ved etablering af en udgravning for en rørledning samt graveskovl til udøvelse af fremgangsmåden.
DK126049B
(da)