Plastics piping systems for the supply of gaseous fuels for maximum operating pressure up to and including 0,4 MPa (4 bar) — Polyamide (PA) — Part 1: General-First Edition
استاندارد بین المللی ISO 15439-1
Thermoplastics piping systems- End-load bearing mechanical joints between pressure pipes and fittings Test method for resistance to pull-out under constant
longitudinal force
PLASTICS-DETERMINATION OF TEMPERATION OF DEFLECTION UNDER LOAD