NF T47-305-2/A1*NF EN 681-2/A1:2003 Elastomeric seals - Material requirements for pipe joints seals used in water and drainage applications - Part 2 : thermoplastic elastomers
2003NF T47-305-2/A1*NF EN 681-2/A1:2003 Elastomeric seals - Material requirements for pipe joints seals used in water and drainage applications - Part 2 : thermoplastic elastomers