NF T47-305-2*NF EN 681-2:2000 Elastomeric seals - Materials requirements for pipe joint seals used in water and drainage applications - Part 2 : thermoplastic elastomers
2000NF T47-305-2*NF EN 681-2:2000 Elastomeric seals - Materials requirements for pipe joint seals used in water and drainage applications - Part 2 : thermoplastic elastomers