Material for the embodiment of the protection devices against the environment, magnetic, of objects having a support of the inscriptions magnetic, and devices for protecting realized with such a material

摘要

Material to the embodiments of devices, in particular of the box, protection against the environment, magnetic, of objects is being provided with a support of the inscriptions magnetic, characterizes by the fact that it comprises at least one protective layer 1 formed of a body having, on the one hand, it is a coefficient of magnetic high superior to 5000, and on the other hand, a low coercive magnetic field inferior a 2 oe.