NEN EN ISO 1890:2009现行
Reinforcement Yarns - Determination Of Twist
出版：Nederlands Normalisatie Instituut
专家解读视频
Defines a method for the determination of twist in yarns made from textile glass, carbon, aramid or any other reinforcement fibres. Applies to single yarns (one twist) and to folded or cabled yarns (two or more twists).
Supersedes NEN ISO 1890 (07/2002)
SS EN ISO 1890 Ed. 2 (2009) - Identical
NF EN ISO 1890:2009 - Identical
UNI EN ISO 1890:2009 - Identical
DIN EN ISO 1890 (2009-10) - Identical
NBN EN ISO 1890:2009 - Identical
NS EN ISO 1890:2009 - Identical
BS EN ISO 1890:2009 - Identical
SN EN ISO 1890:2009 - Identical
UNE EN ISO 1890:2010 - Identical
ONORM EN ISO 1890:2009 - Identical
ONORM EN ISO 1890:1997 - Identical
SN EN ISO 1890:1997 - Identical
I.S. EN ISO 1890:2009 - Identical
SS EN ISO 1890 Ed. 1 (1997) - Identical
UNE EN ISO 1890:1998 - Identical
NS EN ISO 1890 Ed. 1 (1997) - Identical
NF EN ISO 1890:1997 - Identical
UNI EN ISO 1890:1999 - Identical
NBN EN ISO 1890:1997 - Identical
