ISO 2:1973现行
Textiles - Designation of the direction of twist in yarns and related products
出版：International Organization for Standardization
专家解读视频
KS K ISO 2:2011 - Identical
SS 25 12 60 Ed. 1 (1980) - Identical
GB/T 8694-1988 - Identical
DIN 60900-2 (1988-07) - Identical
NFX 02 200:1994 - Similar
BS 946:1970 - Similar
CGSB 4.2-8.3:1989 (R2013) - Equivalent
PN ISO 2:1996 - Identical
UNE 40014:1975 (R2001) - Similar
