Surgical, medical, dental and veterinary implants, instruments and apparatus, namely, artificial limbs, artificial teeth, screws and plates for bones, angle plates, intramedullary nails, central medullary nails, washers for screws, transpedicular screws, bone implants made of artificial materials, spinal column implants made of artificial material; artificial bones for implantation; parts of artificial bones for adding to natural bone; bone implants being cast-metal open-pored structural part...