Chemical compositions used in surface treatment of metals, polymers and semiconductors for galvanizing metal plating; chemical solutions and preparations used in metal galvanizing baths; tempering chemicals for use in metalworking or soldering; electrolytic bath, namely, chemical source material for the deposition of thin films upon semiconductor wafers for the manufacture of semiconductors

'bath':24,34 'chemic':1,16,26,36 'composit':2 'deposit':41 'electrolyt':33 'film':44 'galvan':13,23 'manufactur':50 'materi':38 'metal':8,14,22 'metalwork':30 'name':35 'plate':15 'polym':9 'prepar':19 'semiconductor':11,46,52 'solder':32 'solut':17 'sourc':37 'surfac':5 'temper':25 'thin':43 'treatment':6 'upon':45 'use':3,20,28 'wafer':47

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