2020NF G38-142-2*NF EN ISO 12958-2:2020 Geotextiles and geotextile-related products - Determination of water flow capacity in their plane - Part 2 : performance test
2020NF G38-142-1:2020 Geotextiles and geotextile-related products - Determination of water flow capacity in their plane - Part 1 : index test
2010NF G38-142:2010 Geotextiles and geotextile-related products - Determination of water flow capacity in their plane.
1999NF G38-142:1999 Geotextiles and geotextile-related products. Determination of water flow capacity in their plane.
1988NF G38-018:1988 TEXTILES. ARTICLES FOR INDUSTRIAL USE. TESTS FOR GEOTEXTILES : MEASUREMENT OF THE WATER TRANSMISSIVITY.