Plastics piping systems - Thermoplastics fittings - Test method for mechanical strength or flexibility of fabricated fittings; German version EN 12256:1998— 6 стр.
Thermoplastics piping systems for non-pressure underground drainage and sewerage - Thermoplastics fittings - Test method for mechanical strength or flexibility of fabricated fittings (ISO 13264:2010); German version EN ISO 13264:2017— 12 стр.
Plastics piping systems for non-pressure underground drainage and sewerage - Polypropylene with mineral modifiers (PP-MD) - Part 1: Specifications for pipes, fittings and the system; German version EN 14758-1:2005— 37 стр.
Plastics piping systems for non-pressure underground drainage and sewerage - Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 3: Specifications for pipes and fittings with smooth internal and profiled external surface and the system, Type B; German version EN 13476-3:2007— 47 стр.
Thermoplastics piping systems for non-pressure underground drainage and sewerage - Thermoplastics fittings - Test method for mechanical strength or flexibility of fabricated fittings (ISO 13264:2010); German version EN ISO 13264:2017— 12 стр.