9 Magnets, magnetic assemblies; permanent magnets for electrical devices, scientific devices; bio-magnetic separation units for use in the medical research field; magnetic cores; ferrites, namely, ferrite magnetic cores for use in electrical devices, scientific devices; magnetic powder cores; thermistors; ring magnets; disc magnets; magnetic materials, namely, magnetic powder, magnetic cores, magnetic powder cores, for use in electrical and scientific devices; amorphous magnetic cores; nanocrystalline magnetic cores; electric magnetic couplings; halbach, stelter, and dipole arrays in the nature of magnets; magnetic assemblies, namely, magnetic powder, magnetic cores, magnetic powder cores for klystron devices and gyrotrons devices; microwave circulators in the nature of electronic components; electric actuators; magnetic sensors, namely, magnetic field detection devices; encoders; magnetic separators for use in electrical and scientific devices for scientific use; magnetic disk erasers; biomagnetic separation units for use in the medical research field