4. Pipe joints or couplings
  5. Essential catch
  6. Leaf spring

Charles Thrift

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Co-tube assembly for heating and air conditioning system

Pipes and tubular conduits – Plural duct – Coaxial
Reexamination Certificate

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Mid-line coupling

Pipe joints or couplings – Essential catch – Leaf spring
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2451646

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