4. Liquid purification or separation
  5. Structural installation
  6. Grated inlet surface drain

David J. Papp

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Adjustable floor drain apparatus

Liquid purification or separation – Structural installation – Grated inlet surface drain
Patent

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Adjustable plumbing cleanout

Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or... – With additional enclosure structure; e.g. – manhole
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Profile ID: LFUS-PAI-P-809853

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