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, for removing metal particles

'alkalin':26 'aluminum':53 'chemic':5 'chrome':10,20,24 'copper':29,34,48 'cylind':17,54 'de':9,23 'de-chrom':8,22 'decopper':32 'develop':3 'dissolv':45 'grave':47 'gravur':16 'layer':49 'metal':57 'name':18 'nickel':39 'particl':58 'plate':30,35,40,43,51 'pre':28 'pre-copp':27 'process':6 'remov':56 'research':1 'silver':37 'surfac':14 'treatment':12 'zinc':42

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, for removing metal particles

'alkalin':20 'aluminum':47 'chemic':2,4 'chrome':14,18 'copper':23,28,42 'cylind':11,48 'de':17 'de-chrom':16 'decopper':26 'dissolv':39 'grave':41 'gravur':10 'industri':1,3 'layer':43 'metal':51 'name':12 'nickel':33 'particl':52 'plate':24,29,34,37,45 'pre':22 'pre-copp':21 'remov':50 'silver':31 'surfac':8 'treatment':6 'zinc':36

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