BS ISO 20028-1. Plastics. Thermoplastic polyester (TP) moulding and extrusion materials. Part 1. Designation system and basis for specifications— 21 стр.
Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 1: General (ISO 16486-1:2020)