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 Philips NvfiledCriticalPhilips Nv
Application grantedgrantedCritical
Publication of DK80421CpublicationCriticalpatent/DK80421C/da
Magnetischer Kreis mit einem ferromagnetischen Teil mit hoher Permeabilität und einem in Form eines wenigstens nahezu flachen, dünnen Körpers gestalteten Dauermagneten