Cite
HARVARD Citation
Institution,, B. (2021) BS EN ISO 16486-4. Plastics piping systems for the supply of gaseous fuels. Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing.. [Online]. London : British Standards Institution. Available from: http://access.bl.uk/ark:/81055/vdc_100117719311.0x000001