Fluid control valves, valves for control of gas and liquid flow

'control':2,6 'flow':11 'fluid':1 'gas':8 'liquid':10 'valv':3,4

[ Hand tools for fitting pipes, namely, wrenches, dies, taps and pipe cutters ]

'cutter':12 'die':8 'fit':4 'hand':1 'name':6 'pipe':5,11 'tap':9 'tool':2 'wrench':7

[ Power-driven wrenches, dies for use with machine tools, taps, all of the foregoing for fitting pipes ]

'die':5 'driven':3 'fit':17 'forego':15 'machin':9 'pipe':18 'power':2 'power-driven':1 'tap':11 'tool':10 'use':7 'wrench':4

[ Pipes and tubes of metal, metal pipe fittings, metal couplings for pipes and tubes ]

'coupl':10 'fit':8 'metal':5,6,9 'pipe':1,7,12 'tube':3,14

UNIVAL

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