Plastics piping systems. Glass-reinforced thermosetting plastics (GRP) pipes. Test methods for the determination of the apparent initial circumferential tensile strength. (ISO 8521:2009,IDT)
State system for ensuring the uniformity of measurements of the Republic of Uzbekistan. Metrology. Terms and definitions. Part 1: General and common terms. Replaces O’z DSt 8.010-93