Historical
ONORM EN ISO 12956:2010
Geotextiles and geotextile-related products - Determination of the characteristic opening size (ISO 12956:2010) (Austrian Standard)
ISO:12956:2010 specifies a method for the determination of the characteristic size of the openings of a single layer of a geotextile or geotextile-related product using the wet-sieving principle.
Austrian Standards Institute [on]