Plastics piping systems -- Multilayer pipe systems for indoor gas installations with a maximum operating pressure up to and including 5 bar (500 kPa) -- Part 1:Specifications for systems— 40 стр.
Plastics piping systems -- Multilayer pipe systems for indoor gas installations with a maximum operating pressure up to and including 5 bar (500 kPa) -- Part 1: Specifications for systems -- Technical Corrigendum 1— 2 стр.
