Metallic press molds for use in the manufacture of motor parts for AC motors and DC motors for land vehicles, namely, rotor cores and structural part therefor; metallic press molds for use in the manufacture of motor parts for AC motors and DC motors for land vehicles, namely stator cores and structural part therefor; metallic progressive molds for use in the manufacture of motor parts for AC motors and DC motors for land vehicles, namely, rotor cores and structural part therefor; metallic pr...