【TBT】DUS EAS 426-7:2006, Concrete pipes and ancillary concrete products - Part 7: Specification for road gullies and gully cover slabs. (26 pages, in English).
【TBT】DUS EAS 426-5:2006, Concrete pipes and ancillary concrete products - Part 5: Specification for ogee pipes and fittings (including perforated), (44 pages, in English).
【TBT】DUS EAS 426-3:2006, Concrete pipes and ancillary concrete products - Part 3: Specification for unreinforced and reinforced concrete inspection chambers, (22 pages, in English).
【TBT】DUS EAS 426-1:2006, Concrete pipes and ancillary concrete products ? Part 1: Specification for unreinforced and reinforced concrete pipes (including jacking pipes) and fittings with flexible joints, (30 pages, in English).