BS PD CEN/TS 1401-2:2020
Plastics piping systems for non-pressure underground drainage and sewerage. Unplasticized poly(vinyl chloride) (PVC-U)
standard by BSI Group, 02/27/2020
BS PD ISO/TR 22164:2020
Hydraulic fluid power. Application notes for the optimization of the energy efficiency of hydraulic systems
standard by BSI Group, 02/18/2020