Normas ISO

Plastics piping systems for non-pressure underground drainage and sewerage -- Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) -- Part 3: Pipes and fittings with non-smooth external surface, Type B

Plastics piping systems for non-pressure underground drainage and sewerage -- Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) -- Part 2: Pipes and fittings with smooth external surface, Type A

Intelligent transport systems -- Definition of data elements and data frames between roadside modules and signal controllers for cooperative signal control

ISO 18674-3:2017/Amd 1:2020

Simultaneous interpreting delivery platforms -- Requirements and recommendations

Steel and iron castings -- Visual testing of surface quality