9 Electrochemical cells; fuel cells; electrolysis apparatus for laboratory or industrial use; electrolytic cells; electrolyser cells; alkaline cells; component parts of electrical cells, namely, electrocatalysts; component parts of batteries, namely, electrocatalysts; component parts of electrodes, namely, electrocatalysts; component parts of membrane electrode assemblies (MEA), namely, electrocatalysts; component parts of batteries, fuel cells, electrolytic cells, electrolyser cells, alkaline cells, membrane electrode assemblies, electrode assemblies and electrode subassemblies, namely, porous transport layers (PTL); component parts of batteries, fuel cells, electrolytic cells, electrolyser cells, alkaline cells, membrane electrode assemblies, electrode assemblies and electrode subassemblies, namely, gas diffusion layers (GDL); electrodes; metallic electrodes; stainless steel electrodes; nickel electrodes; electrodes and catalysts forming a single homogenous part; battery electrodes; parts and fittings for all of the aforesaid goods; None of the aforesaid goods being or relating to welding, welding electrodes or welding equipment.