welding services; metal plating services; metal hardfacing services; metal overlay services

'hardfac':7 'metal':3,6,9 'overlay':10 'plate':4 'servic':2,5,8,11 'weld':1

application of protective coatings to metal

'applic':1 'coat':4 'metal':6 'protect':3

metal alloys for industrial and commercial use for further manufacturing

'alloy':2 'commerci':6 'industri':4 'manufactur':10 'metal':1 'use':7

licensing of welding process, metal plating process, metal hardfacing process, and metal overlay process

'hardfac':9 'licens':1 'metal':5,8,12 'overlay':13 'plate':6 'process':4,7,10,14 'weld':3

TDH

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