4. Pipe joints or couplings
  5. With casing, lining or protector
  6. Insulated

Ray Brown Duggins

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Drip irrigation system

Fluid handling – Flow affected by fluid contact – energy field or coanda effect – Means to regulate or vary operation of device
Patent

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Irrigation tubing coupling fastener

Pipe joints or couplings – With casing – lining or protector – Insulated
Patent

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Profile ID: LFUS-PAI-P-758277

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