4. Hydraulic and earth engineering
  5. Drainage or irrigation
  6. Porous or apertured pipe, flume, or tileway

Jean-Marie Cognon

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Concrete pile made of such a concrete and method for...

Static structures (e.g. – buildings) – Specified terranean relationship
Reexamination Certificate

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Equipment and a method for partially drying a zone of ground...

Hydraulic and earth engineering – Drainage or irrigation – Porous or apertured pipe – flume – or tileway
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2041130

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