BS 5955-6:1980(1999) Plastics pipework (thermoplastics materials) — Part 6 : Code of practice for the installation of unplasticized PVC pipework for gravity drains and sewers
1980BS 5955-6:1980 Plastics pipework (thermoplastics materials) - Code of practice for the installation of unplasticized PVC pipework for gravity drains and sewers