4. Pipe joints or couplings
  5. Flexible joint, rigid members
  6. Bellows

Tozen Corporation

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Pipe joint

Pipe joints or couplings – Flexible joint – rigid members – Bellows
Reexamination Certificate

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Pipe joint

Pipe joints or couplings – Flange – Clamped
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Water-hammer preventing unit for check valve

Fluid handling – Line condition change responsive valves – Direct response valves
Reexamination Certificate

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