
Plastics; cellulose acetate in dilute solution; determination of viscosity number and viscosity ratio
出版:International Organization for Standardization

专家解读视频
1990 [15/11/1990]1975
NEN ISO 1157:1992 - Identical
BS EN ISO 1157:2000 - Identical
SN EN ISO 1157:1999 - Identical
NEN EN ISO 1157:1999 - Identical
SS EN ISO 1157 Ed. 1 (1999) - Identical
UNE EN ISO 1157:2000 - Identical
NS EN ISO 1157 Ed. 1 (1999) - Identical
BS 2880:1991 - Similar
BS 2782-7:Method 733C:1991 - Identical
UNI ISO 1157:1989 - Identical
I.S. EN ISO 1157:1999 - Identical
UNI EN ISO 1157:2001 - Identical
NF EN ISO 1157:1999 - Identical
ONORM EN ISO 1157:1999 - Identical
DIN EN ISO 1157 (1999-09) - Identical
DIN 53728-1 (1970-01) - Similar