Machine parts, namely, butterfly valves made of metal, for isolating, throttling and regulating the volume flow in pipes

'butterfli':4 'flow':16 'isol':10 'machin':1 'made':6 'metal':8 'name':3 'part':2 'pipe':18 'regul':13 'throttl':11 'valv':5 'volum':15

Butterfly valves made of metal, not parts of machines, for isolating, throttling and regulating the volume flow in pipes

'butterfli':1 'flow':17 'isol':11 'machin':9 'made':3 'metal':5 'part':7 'pipe':19 'regul':14 'throttl':12 'valv':2 'volum':16

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