Cite
HARVARD Citation
Institution,, B. (2022) Tracked Changes. Safety and control devices for gas burners and gas burning appliances. Automatic shut-off valves for operating pressure of above 500 kPa up to and including 6 300 kPa.. [Online]. London : British Standards Institution. Available from: http://access.bl.uk/ark:/81055/vdc_100166859304.0x000001