CEN/TC 155
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 82730 | prEN 17151-1 | Plastics piping systems for non-pressure underground conveyance and storage of surface water - Part 1: Test method for determination of long-term compression strength of boxes | Izstrādē |
| 82732 | prEN 17152-1 | Plastics piping systems for non-pressure underground conveyance and storage of surface water - Boxes used for infiltration, attenuation and storage systems - Part 1: Specifications for boxes made of PP and PVC-U | Izstrādē |
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