1 Industrial chemicals; industrial chemicals for de-chroming, for alkaline pre-copper plating, for copper plating, for chromium plating processes, for silvering, for nickel plating, for zinc plating.
3 Degreasers other than for use in manufacturing processes; degreasing preparations; preparations for (surface) cleaning of cylinders, printing cylinders, printing rollers, flexographic anilox rollers, pressure rollers, anilox rollers and grid rollers; preparations for removing ink.
42 Research and development of chemical processes for de-chroming, for alkaline pre-copper plating, for copper plating, for chromium plating processes, for silvering, for nickel plating, for zinc plating.
