NEN EN ISO 12956:1999被替代
Geotextiles And Geotextile-related Products - Determination Of The Characteristic Opening Size
出版：Nederlands Normalisatie Instituut
专家解读视频
Defines a procedure for determining the characteristic size of the openings of a single layer of a geotextile or geotextile-related product by means of the wet-sieving principle.
Supersedes NEN 5168 (07/2002) Draft AMD 1 2007 issued in February 2007. (03/2007)
SS EN ISO 12956 Ed. 2 (2010) - Identical
UNI EN ISO 12956:2010 - Identical
SN EN ISO 12956:1999 - Identical
BS EN ISO 12956:1999 - Identical
DIN EN ISO 12956 (1999-06) - Identical
ONORM EN ISO 12956:1999 - Identical
NF EN ISO 12956:1999 - Identical
NBN EN ISO 12956:1999 - Identical
UNI EN ISO 12956:2001 - Identical
I.S. EN ISO 12956:1999 - Identical
NS EN ISO 12956 Ed. 1 (1999) - Identical
UNE EN ISO 12956:1999 - Identical
SS EN ISO 12956 Ed. 1 (1999) - Identical
ISO 12956:1999 - Identical
