4. Fluid handling
  5. With liquid valves or liquid trap seals
  6. Seal for relatively movable valving parts

Baohai Liu

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Gauge hatch with liquid seal

Receptacles – Closures – Crossbar carries closure and serves as closure fastener
Reexamination Certificate

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Vent valve with liquid seal

Fluid handling – With liquid valves or liquid trap seals – Seal for relatively movable valving parts
Patent

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Profile ID: LFUS-PAI-P-1556368

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