… Electro-magnets; permanent magnets and articles intended to become permanent magnets after … magnetisation; electro-magnetic or permanent magnet chucks, clamps and similar holding devices; electro-magnetic couplings, clutches and brakes; electro-magnetic lifting heads. …
Explanatory notes
… electro‑magnetic or permanent magnet chucks, clamps and similar holding devices; electro‑magnetic couplings, clutches and brakes; electro‑magnetic lifting heads. … keeper) adhering to the two poles. Permanent magnets remain classified here whatever their use, including small magnets …