Geotextiles and geotextile-related products - Determination of water flow capacity in their plane (ISO 12958:1999); German version EN ISO 12958:1999— 10 стр.
Geotextiles and geotextile-related products - Determination of water permeability characteristics normal to the plane, without load (ISO 11058:1999); German version EN ISO 11058:1999— 13 стр.
Geotextiles and geotextile-related products - Determination of the characteristic opening size (ISO 12956:1999); German version EN ISO 12956:1999— 10 стр.