Treatment of materials, namely, metal hardfacing

'hardfac':6 'materi':3 'metal':5 'name':4 'treatment':1

parts of oil and/or gas wellhead machines, namely, tubing head adapters, flanges, casing heads, cross and tees, tubing head threaded bottoms, tubing heads, and tree cap bottom hole test adapters, and parts therefor; machine valves, namely, gate valves, and ball valves and parts therefor; hydraulic valve actuators and parts therefor; pneumatic valve actuators and parts therefor

'actuat':47,53 'adapt':11,30 'and/or':4 'ball':40 'bottom':21,27 'cap':26 'case':13 'cross':15 'flang':12 'gas':5 'gate':37 'head':10,14,19,23 'hole':28 'hydraul':45 'machin':7,34 'name':8,36 'oil':3 'part':1,32,43,49,55 'pneumat':51 'tee':17 'test':29 'therefor':33,44,50,56 'thread':20 'tree':25 'tube':9,18,22 'valv':35,38,41,46,52 'wellhead':6

testing, analysis and evaluation of valves for the purpose of recertification

'analysi':2 'evalu':4 'purpos':9 'recertif':11 'test':1 'valv':6

metal valves not being parts of machines, namely, gate valves, ball valves and parts therefor

'ball':11 'gate':9 'machin':7 'metal':1 'name':8 'part':5,14 'therefor':15 'valv':2,10,12

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