Cite
MLA Citation
British Standards Institution,. BS EN 14525. Ductile iron wide tolerance couplings and flange adaptors for use with pipes of different materials: ductile iron, Grey iron, Steel, PVC-U, PE, Fibre-cement.. London : British Standards Institution, 2020. http://access.bl.uk/ark:/81055/vdc_100105489925.0x000001