Plastics piping systems for renovation of underground gas supply networks - Part 3: Lining with close-fit pipes (ISO 11299-3:2011); German version FprEN ISO 11299-3:2012
Plastics piping systems for renovation of underground gas supply networks - Part 3: Lining with close-fit pipes (ISO 11299-3:2011); German version EN ISO 11299-3:2013— 21 стр.