Mechanical fittings for polyethylene piping systems for the supply of gaseous fuels - Part 2: Metal fittings for pipes of nominal outside diameter greater than 63 mm— 16 стр.
Mechanical fittings for polyethylene piping systems for the supply of gaseous fuels - Part 1: Metal fittings for pipes of nominal outside diameter less than or equal to 63 mm— 18 стр.