NS-EN ISO 21225-2:2018 Plastics piping systems for the trenchless replacement of underground pipeline networks — Part 2: Replacement off the line by horizontal directional drilling and impact moling (ISO 21225-2:2018)
2018NS-EN ISO 21225-2:2018 Plastics piping systems for the trenchless replacement of underground pipeline networks — Part 2: Replacement off the line by horizontal directional drilling and impact moling (ISO 21225-2:2018)