Testing of permanent magnetic materials; determination of demagnetization curve and permanent permeability in a double yoke, magneto-static method— 7 стр.
Testing of the magnetic properties of electrical sheets and cores; determination of the complex permeability and its reciprocal value in an alternating magnetic field— 7 стр.
Testing of the magnetic properties of electrical sheets and cores; determination of the magnetic flux density (induction), intensity of field and permeability in an alternating magnetic field— 5 стр.