Registration number (WIID)Project No.TitleStatus
6259-Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes and fittings - Determination of the adhesive shear strengthIzstrādē
6262-Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) - Determination of the ultimate collapse pressureIzstrādē
6269-Plastics piping systems for renovation of underground non-pressure drainage and sewerage networks - Part 5: Lining with discrete pipesIzstrādē
6263-Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) flanges - Test method to verify the designIzstrādē
6261-Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) - Determination of the interlaminar shear strengthIzstrādē
6232-Plastics piping systems for buried ducting - Polypropylene (PP) - Part 6: Recommended practice for installationIzstrādē
6252-Plastics piping systems for agricultural land drainage - Polyolefine systems - Part 3: FittingsIzstrādē
6253-Plastics piping systems for agricultural land drainage - Polyolefine systems - Part 4: Ancillary equipmentIzstrādē
6254-Plastics piping systems for agricultural land drainage - Polyolefine systems - Part 5: Fitness for purpose of the systemIzstrādē
5992-Plastics piping systems for chemical fluids - Glass-reinforced thermosetting plastics based on epoxy resin (GRP-EP) - Part 5: Fitness for purpose of the systemIzstrādē
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