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Industrial chemicals; industrial chemicals for treatment of surfaces of gravure cylinders, namely for chroming, for de-chroming, for alkaline pre-copper plating, for decopperizing, for copper plating, for silvering, for nickel plating, for zinc plating, for dissolving a graved copper layer, for plating of aluminum cylinders

Degreasing preparations, particularly for gravure cylinders

Research and development of chemical processes for de-chroming, for treatment of surfaces of gravure cylinders, namely for chroming, for de-chroming, for alkaline pre-copper plating, for decopperizing, for copper plating, for silvering, for nickel plating, for zinc plating, for dissolving a graved copper layer, for plating of aluminum cylinders