Valve diaphragms; Valves being parts of machines; Valves for pumps; Diaphragm valves, none of the foregoing in the nature of plumbing fixtures

'diaphragm':2,11 'fixtur':22 'forego':16 'machin':7 'natur':19 'none':13 'part':5 'plumb':21 'pump':10 'valv':1,3,8,12

Synthetic rubber valve diaphragms not for use in plumbing fixtures

'diaphragm':4 'fixtur':10 'plumb':9 'rubber':2 'synthet':1 'use':7 'valv':3

Valves of plastic being other than machine parts and other than for use in plumbing fixtures; Plastic, PTFE, or resin valve diaphragms

'diaphragm':22 'fixtur':16 'machin':7 'part':8 'plastic':3,17 'plumb':15 'ptfe':18 'resin':20 'use':13 'valv':1,21

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