Solid biofuels - Determination of mechanical durability of pellets and briquettes - Part 2: Briquettes (ISO/DIS 17831-2:2013); German version prEN ISO 17831-2:2013)
Pipe joints and components of chlorinated poly(vinyl chloride) (PVC-C) for pipes under pressure - PVC-C 200 - Part 2: General quality requirements, testing— 16 стр.
